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Finding the Fourth Proportional to 15,115.17, 22,672.76 and 8,233.41

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Solution

The fourth proportional to 15,115.17, 22,672.76 and 8,233.41 is: 12,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.17 : 22,672.76 = 8,233.41 : x
  2. Step 2: Convert to fraction form
    15,115.17/22,672.76 = 8,233.41/x
  3. Step 3: Cross multiply
    15,115.17x = 22,672.76 × 8,233.41
  4. Step 4: Simplify right side
    15,115.17x = 186,674,128.91
  5. Step 5: Solve for x
    x = 186,674,128.91/15,115.17
  6. Step 6: Final answer
    x = 12,350.12

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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.