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Finding the Fourth Proportional to 22,642.10, 33,963.15 and 7,061.30

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Solution

The fourth proportional to 22,642.10, 33,963.15 and 7,061.30 is: 10,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.10 : 33,963.15 = 7,061.30 : x
  2. Step 2: Convert to fraction form
    22,642.10/33,963.15 = 7,061.30/x
  3. Step 3: Cross multiply
    22,642.10x = 33,963.15 × 7,061.30
  4. Step 4: Simplify right side
    22,642.10x = 239,823,991.10
  5. Step 5: Solve for x
    x = 239,823,991.10/22,642.10
  6. Step 6: Final answer
    x = 10,591.95

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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.