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Finding the Fourth Proportional to 22,917.20, 34,375.80 and 15,069.65

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Solution

The fourth proportional to 22,917.20, 34,375.80 and 15,069.65 is: 22,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.20 : 34,375.80 = 15,069.65 : x
  2. Step 2: Convert to fraction form
    22,917.20/34,375.80 = 15,069.65/x
  3. Step 3: Cross multiply
    22,917.20x = 34,375.80 × 15,069.65
  4. Step 4: Simplify right side
    22,917.20x = 518,031,274.47
  5. Step 5: Solve for x
    x = 518,031,274.47/22,917.20
  6. Step 6: Final answer
    x = 22,604.48

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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.