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Finding the Fourth Proportional to 64,359.56, 88,816.66 and 38,867.08

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Solution

The fourth proportional to 64,359.56, 88,816.66 and 38,867.08 is: 53,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.56 : 88,816.66 = 38,867.08 : x
  2. Step 2: Convert to fraction form
    64,359.56/88,816.66 = 38,867.08/x
  3. Step 3: Cross multiply
    64,359.56x = 88,816.66 × 38,867.08
  4. Step 4: Simplify right side
    64,359.56x = 3,452,044,229.55
  5. Step 5: Solve for x
    x = 3,452,044,229.55/64,359.56
  6. Step 6: Final answer
    x = 53,636.85

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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.