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Finding the Fourth Proportional to 22,510.91, 33,787.55 and 11,425.55

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Solution

The fourth proportional to 22,510.91, 33,787.55 and 11,425.55 is: 17,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.91 : 33,787.55 = 11,425.55 : x
  2. Step 2: Convert to fraction form
    22,510.91/33,787.55 = 11,425.55/x
  3. Step 3: Cross multiply
    22,510.91x = 33,787.55 × 11,425.55
  4. Step 4: Simplify right side
    22,510.91x = 386,041,115.84
  5. Step 5: Solve for x
    x = 386,041,115.84/22,510.91
  6. Step 6: Final answer
    x = 17,149.07

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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.