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Finding the Fourth Proportional to 61,545.96, 84,939.42 and 36,403.56

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Solution

The fourth proportional to 61,545.96, 84,939.42 and 36,403.56 is: 50,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.96 : 84,939.42 = 36,403.56 : x
  2. Step 2: Convert to fraction form
    61,545.96/84,939.42 = 36,403.56/x
  3. Step 3: Cross multiply
    61,545.96x = 84,939.42 × 36,403.56
  4. Step 4: Simplify right side
    61,545.96x = 3,092,097,272.34
  5. Step 5: Solve for x
    x = 3,092,097,272.34/61,545.96
  6. Step 6: Final answer
    x = 50,240.46

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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.