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Finding the Fourth Proportional to 22,891.68, 34,326.90 and 10,411.20

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Solution

The fourth proportional to 22,891.68, 34,326.90 and 10,411.20 is: 15,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.68 : 34,326.90 = 10,411.20 : x
  2. Step 2: Convert to fraction form
    22,891.68/34,326.90 = 10,411.20/x
  3. Step 3: Cross multiply
    22,891.68x = 34,326.90 × 10,411.20
  4. Step 4: Simplify right side
    22,891.68x = 357,384,221.28
  5. Step 5: Solve for x
    x = 357,384,221.28/22,891.68
  6. Step 6: Final answer
    x = 15,611.97

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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.