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Finding the Fourth Proportional to 22,882.40, 34,280.40 and 11,751.20

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Solution

The fourth proportional to 22,882.40, 34,280.40 and 11,751.20 is: 17,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,882.40 : 34,280.40 = 11,751.20 : x
  2. Step 2: Convert to fraction form
    22,882.40/34,280.40 = 11,751.20/x
  3. Step 3: Cross multiply
    22,882.40x = 34,280.40 × 11,751.20
  4. Step 4: Simplify right side
    22,882.40x = 402,835,836.48
  5. Step 5: Solve for x
    x = 402,835,836.48/22,882.40
  6. Step 6: Final answer
    x = 17,604.61

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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.