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Finding the Fourth Proportional to 73,963.92, 110,951.54 and 21,373.86

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Solution

The fourth proportional to 73,963.92, 110,951.54 and 21,373.86 is: 32,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,963.92 : 110,951.54 = 21,373.86 : x
  2. Step 2: Convert to fraction form
    73,963.92/110,951.54 = 21,373.86/x
  3. Step 3: Cross multiply
    73,963.92x = 110,951.54 × 21,373.86
  4. Step 4: Simplify right side
    73,963.92x = 2,371,462,682.74
  5. Step 5: Solve for x
    x = 2,371,462,682.74/73,963.92
  6. Step 6: Final answer
    x = 32,062.43

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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.