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Finding the Fourth Proportional to 41,803.92, 62,707.98 and 13,712.61

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Solution

The fourth proportional to 41,803.92, 62,707.98 and 13,712.61 is: 20,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,803.92 : 62,707.98 = 13,712.61 : x
  2. Step 2: Convert to fraction form
    41,803.92/62,707.98 = 13,712.61/x
  3. Step 3: Cross multiply
    41,803.92x = 62,707.98 × 13,712.61
  4. Step 4: Simplify right side
    41,803.92x = 859,890,005.06
  5. Step 5: Solve for x
    x = 859,890,005.06/41,803.92
  6. Step 6: Final answer
    x = 20,569.60

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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.