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Finding the Fourth Proportional to 64,613.58, 96,901.64 and 25,161.90

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Solution

The fourth proportional to 64,613.58, 96,901.64 and 25,161.90 is: 37,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.58 : 96,901.64 = 25,161.90 : x
  2. Step 2: Convert to fraction form
    64,613.58/96,901.64 = 25,161.90/x
  3. Step 3: Cross multiply
    64,613.58x = 96,901.64 × 25,161.90
  4. Step 4: Simplify right side
    64,613.58x = 2,438,229,375.52
  5. Step 5: Solve for x
    x = 2,438,229,375.52/64,613.58
  6. Step 6: Final answer
    x = 37,735.56

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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.