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Finding the Fourth Proportional to 64,385.60, 96,560.97 and 26,938.01

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Solution

The fourth proportional to 64,385.60, 96,560.97 and 26,938.01 is: 40,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.60 : 96,560.97 = 26,938.01 : x
  2. Step 2: Convert to fraction form
    64,385.60/96,560.97 = 26,938.01/x
  3. Step 3: Cross multiply
    64,385.60x = 96,560.97 × 26,938.01
  4. Step 4: Simplify right side
    64,385.60x = 2,601,160,375.47
  5. Step 5: Solve for x
    x = 2,601,160,375.47/64,385.60
  6. Step 6: Final answer
    x = 40,399.72

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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.