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Finding the Fourth Proportional to 64,579.52, 96,304.20 and 63,989.04

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Solution

The fourth proportional to 64,579.52, 96,304.20 and 63,989.04 is: 95,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.52 : 96,304.20 = 63,989.04 : x
  2. Step 2: Convert to fraction form
    64,579.52/96,304.20 = 63,989.04/x
  3. Step 3: Cross multiply
    64,579.52x = 96,304.20 × 63,989.04
  4. Step 4: Simplify right side
    64,579.52x = 6,162,413,305.97
  5. Step 5: Solve for x
    x = 6,162,413,305.97/64,579.52
  6. Step 6: Final answer
    x = 95,423.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.