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Finding the Fourth Proportional to 7,244,337.60, 10,866,506.40 and 4,693,420.80

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Solution

The fourth proportional to 7,244,337.60, 10,866,506.40 and 4,693,420.80 is: 7,040,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,337.60 : 10,866,506.40 = 4,693,420.80 : x
  2. Step 2: Convert to fraction form
    7,244,337.60/10,866,506.40 = 4,693,420.80/x
  3. Step 3: Cross multiply
    7,244,337.60x = 10,866,506.40 × 4,693,420.80
  4. Step 4: Simplify right side
    7,244,337.60x = 51,001,087,161,093.12
  5. Step 5: Solve for x
    x = 51,001,087,161,093.12/7,244,337.60
  6. Step 6: Final answer
    x = 7,040,131.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.