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Finding the Fourth Proportional to 6,307,998.80, 8,853,593.20 and 6,307,998.80

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Solution

The fourth proportional to 6,307,998.80, 8,853,593.20 and 6,307,998.80 is: 8,853,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307,998.80 : 8,853,593.20 = 6,307,998.80 : x
  2. Step 2: Convert to fraction form
    6,307,998.80/8,853,593.20 = 6,307,998.80/x
  3. Step 3: Cross multiply
    6,307,998.80x = 8,853,593.20 × 6,307,998.80
  4. Step 4: Simplify right side
    6,307,998.80x = 55,848,455,281,288.16
  5. Step 5: Solve for x
    x = 55,848,455,281,288.16/6,307,998.80
  6. Step 6: Final answer
    x = 8,853,593.20

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Half scale
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Double scale
Find fourth proportional to 6,307,999.80, 8,853,594.60 and 6,307,999.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.