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Finding the Fourth Proportional to 60,545.48, 83,667.96 and 45,411.86

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Solution

The fourth proportional to 60,545.48, 83,667.96 and 45,411.86 is: 62,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,545.48 : 83,667.96 = 45,411.86 : x
  2. Step 2: Convert to fraction form
    60,545.48/83,667.96 = 45,411.86/x
  3. Step 3: Cross multiply
    60,545.48x = 83,667.96 × 45,411.86
  4. Step 4: Simplify right side
    60,545.48x = 3,799,517,267.67
  5. Step 5: Solve for x
    x = 3,799,517,267.67/60,545.48
  6. Step 6: Final answer
    x = 62,754.77

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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.