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Finding the Fourth Proportional to 64,444.71, 96,654.21 and 21,745.97

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Solution

The fourth proportional to 64,444.71, 96,654.21 and 21,745.97 is: 32,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,444.71 : 96,654.21 = 21,745.97 : x
  2. Step 2: Convert to fraction form
    64,444.71/96,654.21 = 21,745.97/x
  3. Step 3: Cross multiply
    64,444.71x = 96,654.21 × 21,745.97
  4. Step 4: Simplify right side
    64,444.71x = 2,101,839,470.99
  5. Step 5: Solve for x
    x = 2,101,839,470.99/64,444.71
  6. Step 6: Final answer
    x = 32,614.61

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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.