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Finding the Fourth Proportional to 61,387.10, 92,080.24 and 15,794.73

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Solution

The fourth proportional to 61,387.10, 92,080.24 and 15,794.73 is: 23,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,387.10 : 92,080.24 = 15,794.73 : x
  2. Step 2: Convert to fraction form
    61,387.10/92,080.24 = 15,794.73/x
  3. Step 3: Cross multiply
    61,387.10x = 92,080.24 × 15,794.73
  4. Step 4: Simplify right side
    61,387.10x = 1,454,382,529.14
  5. Step 5: Solve for x
    x = 1,454,382,529.14/61,387.10
  6. Step 6: Final answer
    x = 23,691.99

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1.5x scale

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.