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Finding the Fourth Proportional to 22,301.80, 33,452.70 and 21,956.20

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Solution

The fourth proportional to 22,301.80, 33,452.70 and 21,956.20 is: 32,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.80 : 33,452.70 = 21,956.20 : x
  2. Step 2: Convert to fraction form
    22,301.80/33,452.70 = 21,956.20/x
  3. Step 3: Cross multiply
    22,301.80x = 33,452.70 × 21,956.20
  4. Step 4: Simplify right side
    22,301.80x = 734,494,171.74
  5. Step 5: Solve for x
    x = 734,494,171.74/22,301.80
  6. Step 6: Final answer
    x = 32,934.30

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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.