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Finding the Fourth Proportional to 41,909.37, 62,866.02 and 13,831.88

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Solution

The fourth proportional to 41,909.37, 62,866.02 and 13,831.88 is: 20,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,909.37 : 62,866.02 = 13,831.88 : x
  2. Step 2: Convert to fraction form
    41,909.37/62,866.02 = 13,831.88/x
  3. Step 3: Cross multiply
    41,909.37x = 62,866.02 × 13,831.88
  4. Step 4: Simplify right side
    41,909.37x = 869,554,930.39
  5. Step 5: Solve for x
    x = 869,554,930.39/41,909.37
  6. Step 6: Final answer
    x = 20,748.46

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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.