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Finding the Fourth Proportional to 22,689.68, 34,034.56 and 8,838.68

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Solution

The fourth proportional to 22,689.68, 34,034.56 and 8,838.68 is: 13,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.68 : 34,034.56 = 8,838.68 : x
  2. Step 2: Convert to fraction form
    22,689.68/34,034.56 = 8,838.68/x
  3. Step 3: Cross multiply
    22,689.68x = 34,034.56 × 8,838.68
  4. Step 4: Simplify right side
    22,689.68x = 300,820,584.78
  5. Step 5: Solve for x
    x = 300,820,584.78/22,689.68
  6. Step 6: Final answer
    x = 13,258.04

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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.