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Finding the Fourth Proportional to 64,891.76, 97,295.79 and 25,452.86

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Solution

The fourth proportional to 64,891.76, 97,295.79 and 25,452.86 is: 38,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.76 : 97,295.79 = 25,452.86 : x
  2. Step 2: Convert to fraction form
    64,891.76/97,295.79 = 25,452.86/x
  3. Step 3: Cross multiply
    64,891.76x = 97,295.79 × 25,452.86
  4. Step 4: Simplify right side
    64,891.76x = 2,476,456,121.46
  5. Step 5: Solve for x
    x = 2,476,456,121.46/64,891.76
  6. Step 6: Final answer
    x = 38,162.87

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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.