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Finding the Fourth Proportional to 64,470.47, 96,705.43 and 36,377.73

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Solution

The fourth proportional to 64,470.47, 96,705.43 and 36,377.73 is: 54,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470.47 : 96,705.43 = 36,377.73 : x
  2. Step 2: Convert to fraction form
    64,470.47/96,705.43 = 36,377.73/x
  3. Step 3: Cross multiply
    64,470.47x = 96,705.43 × 36,377.73
  4. Step 4: Simplify right side
    64,470.47x = 3,517,923,931.13
  5. Step 5: Solve for x
    x = 3,517,923,931.13/64,470.47
  6. Step 6: Final answer
    x = 54,566.44

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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.