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Finding the Fourth Proportional to 63,545.98, 87,703.97 and 35,260.78

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Solution

The fourth proportional to 63,545.98, 87,703.97 and 35,260.78 is: 48,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.98 : 87,703.97 = 35,260.78 : x
  2. Step 2: Convert to fraction form
    63,545.98/87,703.97 = 35,260.78/x
  3. Step 3: Cross multiply
    63,545.98x = 87,703.97 × 35,260.78
  4. Step 4: Simplify right side
    63,545.98x = 3,092,510,214.99
  5. Step 5: Solve for x
    x = 3,092,510,214.99/63,545.98
  6. Step 6: Final answer
    x = 48,665.71

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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.