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Finding the Fourth Proportional to 64,895.76, 97,301.79 and 25,456.86

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Solution

The fourth proportional to 64,895.76, 97,301.79 and 25,456.86 is: 38,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.76 : 97,301.79 = 25,456.86 : x
  2. Step 2: Convert to fraction form
    64,895.76/97,301.79 = 25,456.86/x
  3. Step 3: Cross multiply
    64,895.76x = 97,301.79 × 25,456.86
  4. Step 4: Simplify right side
    64,895.76x = 2,476,998,045.78
  5. Step 5: Solve for x
    x = 2,476,998,045.78/64,895.76
  6. Step 6: Final answer
    x = 38,168.87

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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.