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Finding the Fourth Proportional to 64,412.53, 88,844.31 and 62,244.97

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Solution

The fourth proportional to 64,412.53, 88,844.31 and 62,244.97 is: 85,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.53 : 88,844.31 = 62,244.97 : x
  2. Step 2: Convert to fraction form
    64,412.53/88,844.31 = 62,244.97/x
  3. Step 3: Cross multiply
    64,412.53x = 88,844.31 × 62,244.97
  4. Step 4: Simplify right side
    64,412.53x = 5,530,111,410.62
  5. Step 5: Solve for x
    x = 5,530,111,410.62/64,412.53
  6. Step 6: Final answer
    x = 85,854.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.