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Finding the Fourth Proportional to 61,707.92, 92,561.87 and 14,960.80

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Solution

The fourth proportional to 61,707.92, 92,561.87 and 14,960.80 is: 22,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.92 : 92,561.87 = 14,960.80 : x
  2. Step 2: Convert to fraction form
    61,707.92/92,561.87 = 14,960.80/x
  3. Step 3: Cross multiply
    61,707.92x = 92,561.87 × 14,960.80
  4. Step 4: Simplify right side
    61,707.92x = 1,384,799,430.69
  5. Step 5: Solve for x
    x = 1,384,799,430.69/61,707.92
  6. Step 6: Final answer
    x = 22,441.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.