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Finding the Fourth Proportional to 52,250.55, 78,335.64 and 25,934.88

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Solution

The fourth proportional to 52,250.55, 78,335.64 and 25,934.88 is: 38,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,250.55 : 78,335.64 = 25,934.88 : x
  2. Step 2: Convert to fraction form
    52,250.55/78,335.64 = 25,934.88/x
  3. Step 3: Cross multiply
    52,250.55x = 78,335.64 × 25,934.88
  4. Step 4: Simplify right side
    52,250.55x = 2,031,625,423.12
  5. Step 5: Solve for x
    x = 2,031,625,423.12/52,250.55
  6. Step 6: Final answer
    x = 38,882.37

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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.