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Finding the Fourth Proportional to 22,038.43, 33,061.82 and 7,251.58

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Solution

The fourth proportional to 22,038.43, 33,061.82 and 7,251.58 is: 10,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.43 : 33,061.82 = 7,251.58 : x
  2. Step 2: Convert to fraction form
    22,038.43/33,061.82 = 7,251.58/x
  3. Step 3: Cross multiply
    22,038.43x = 33,061.82 × 7,251.58
  4. Step 4: Simplify right side
    22,038.43x = 239,750,292.56
  5. Step 5: Solve for x
    x = 239,750,292.56/22,038.43
  6. Step 6: Final answer
    x = 10,878.74

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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.