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Finding the Fourth Proportional to 63,553.68, 87,702.84 and 35,259.12

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Solution

The fourth proportional to 63,553.68, 87,702.84 and 35,259.12 is: 48,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,553.68 : 87,702.84 = 35,259.12 : x
  2. Step 2: Convert to fraction form
    63,553.68/87,702.84 = 35,259.12/x
  3. Step 3: Cross multiply
    63,553.68x = 87,702.84 × 35,259.12
  4. Step 4: Simplify right side
    63,553.68x = 3,092,324,959.90
  5. Step 5: Solve for x
    x = 3,092,324,959.90/63,553.68
  6. Step 6: Final answer
    x = 48,656.90

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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.