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Finding the Fourth Proportional to 15,278.92, 22,865.98 and 10,604.22

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Solution

The fourth proportional to 15,278.92, 22,865.98 and 10,604.22 is: 15,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.92 : 22,865.98 = 10,604.22 : x
  2. Step 2: Convert to fraction form
    15,278.92/22,865.98 = 10,604.22/x
  3. Step 3: Cross multiply
    15,278.92x = 22,865.98 × 10,604.22
  4. Step 4: Simplify right side
    15,278.92x = 242,475,882.44
  5. Step 5: Solve for x
    x = 242,475,882.44/15,278.92
  6. Step 6: Final answer
    x = 15,869.96

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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.