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Finding the Fourth Proportional to 52,751.46, 79,134.97 and 15,306.66

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Solution

The fourth proportional to 52,751.46, 79,134.97 and 15,306.66 is: 22,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.46 : 79,134.97 = 15,306.66 : x
  2. Step 2: Convert to fraction form
    52,751.46/79,134.97 = 15,306.66/x
  3. Step 3: Cross multiply
    52,751.46x = 79,134.97 × 15,306.66
  4. Step 4: Simplify right side
    52,751.46x = 1,211,292,049.27
  5. Step 5: Solve for x
    x = 1,211,292,049.27/52,751.46
  6. Step 6: Final answer
    x = 22,962.25

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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.