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Finding the Fourth Proportional to 52,741.38, 79,125.03 and 15,805.38

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Solution

The fourth proportional to 52,741.38, 79,125.03 and 15,805.38 is: 23,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.38 : 79,125.03 = 15,805.38 : x
  2. Step 2: Convert to fraction form
    52,741.38/79,125.03 = 15,805.38/x
  3. Step 3: Cross multiply
    52,741.38x = 79,125.03 × 15,805.38
  4. Step 4: Simplify right side
    52,741.38x = 1,250,601,166.66
  5. Step 5: Solve for x
    x = 1,250,601,166.66/52,741.38
  6. Step 6: Final answer
    x = 23,711.95

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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.