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Finding the Fourth Proportional to 6,310.35, 8,703.18 and 6,055.20

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Solution

The fourth proportional to 6,310.35, 8,703.18 and 6,055.20 is: 8,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.35 : 8,703.18 = 6,055.20 : x
  2. Step 2: Convert to fraction form
    6,310.35/8,703.18 = 6,055.20/x
  3. Step 3: Cross multiply
    6,310.35x = 8,703.18 × 6,055.20
  4. Step 4: Simplify right side
    6,310.35x = 52,699,495.54
  5. Step 5: Solve for x
    x = 52,699,495.54/6,310.35
  6. Step 6: Final answer
    x = 8,351.28

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.