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Finding the Fourth Proportional to 67,538.52, 101,312.10 and 25,985.52

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Solution

The fourth proportional to 67,538.52, 101,312.10 and 25,985.52 is: 38,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,538.52 : 101,312.10 = 25,985.52 : x
  2. Step 2: Convert to fraction form
    67,538.52/101,312.10 = 25,985.52/x
  3. Step 3: Cross multiply
    67,538.52x = 101,312.10 × 25,985.52
  4. Step 4: Simplify right side
    67,538.52x = 2,632,647,600.79
  5. Step 5: Solve for x
    x = 2,632,647,600.79/67,538.52
  6. Step 6: Final answer
    x = 38,979.94

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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.