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Finding the Fourth Proportional to 41,831.56, 62,755.04 and 13,753.20

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Solution

The fourth proportional to 41,831.56, 62,755.04 and 13,753.20 is: 20,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,831.56 : 62,755.04 = 13,753.20 : x
  2. Step 2: Convert to fraction form
    41,831.56/62,755.04 = 13,753.20/x
  3. Step 3: Cross multiply
    41,831.56x = 62,755.04 × 13,753.20
  4. Step 4: Simplify right side
    41,831.56x = 863,082,616.13
  5. Step 5: Solve for x
    x = 863,082,616.13/41,831.56
  6. Step 6: Final answer
    x = 20,632.33

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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.