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Finding the Fourth Proportional to 64,972.32, 97,418.88 and 25,548

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Solution

The fourth proportional to 64,972.32, 97,418.88 and 25,548 is: 38,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.32 : 97,418.88 = 25,548 : x
  2. Step 2: Convert to fraction form
    64,972.32/97,418.88 = 25,548/x
  3. Step 3: Cross multiply
    64,972.32x = 97,418.88 × 25,548
  4. Step 4: Simplify right side
    64,972.32x = 2,488,857,546.24
  5. Step 5: Solve for x
    x = 2,488,857,546.24/64,972.32
  6. Step 6: Final answer
    x = 38,306.43

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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.