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Finding the Fourth Proportional to 64,503.70, 96,726.39 and 22,951.78

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Solution

The fourth proportional to 64,503.70, 96,726.39 and 22,951.78 is: 34,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,503.70 : 96,726.39 = 22,951.78 : x
  2. Step 2: Convert to fraction form
    64,503.70/96,726.39 = 22,951.78/x
  3. Step 3: Cross multiply
    64,503.70x = 96,726.39 × 22,951.78
  4. Step 4: Simplify right side
    64,503.70x = 2,220,042,823.47
  5. Step 5: Solve for x
    x = 2,220,042,823.47/64,503.70
  6. Step 6: Final answer
    x = 34,417.29

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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.