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Finding the Fourth Proportional to 22,034.40, 32,954.40 and 18,535.20

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Solution

The fourth proportional to 22,034.40, 32,954.40 and 18,535.20 is: 27,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034.40 : 32,954.40 = 18,535.20 : x
  2. Step 2: Convert to fraction form
    22,034.40/32,954.40 = 18,535.20/x
  3. Step 3: Cross multiply
    22,034.40x = 32,954.40 × 18,535.20
  4. Step 4: Simplify right side
    22,034.40x = 610,816,394.88
  5. Step 5: Solve for x
    x = 610,816,394.88/22,034.40
  6. Step 6: Final answer
    x = 27,721.04

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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.