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Finding the Fourth Proportional to 63,402.88, 87,495.80 and 36,545.16

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Solution

The fourth proportional to 63,402.88, 87,495.80 and 36,545.16 is: 50,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.88 : 87,495.80 = 36,545.16 : x
  2. Step 2: Convert to fraction form
    63,402.88/87,495.80 = 36,545.16/x
  3. Step 3: Cross multiply
    63,402.88x = 87,495.80 × 36,545.16
  4. Step 4: Simplify right side
    63,402.88x = 3,197,548,010.33
  5. Step 5: Solve for x
    x = 3,197,548,010.33/63,402.88
  6. Step 6: Final answer
    x = 50,432.22

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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.