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Finding the Fourth Proportional to 10,654.87, 14,702.29 and 6,462.31

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Solution

The fourth proportional to 10,654.87, 14,702.29 and 6,462.31 is: 8,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.87 : 14,702.29 = 6,462.31 : x
  2. Step 2: Convert to fraction form
    10,654.87/14,702.29 = 6,462.31/x
  3. Step 3: Cross multiply
    10,654.87x = 14,702.29 × 6,462.31
  4. Step 4: Simplify right side
    10,654.87x = 95,010,755.69
  5. Step 5: Solve for x
    x = 95,010,755.69/10,654.87
  6. Step 6: Final answer
    x = 8,917.12

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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.