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Finding the Fourth Proportional to 22,732.80, 34,150.40 and 21,862.40

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Solution

The fourth proportional to 22,732.80, 34,150.40 and 21,862.40 is: 32,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.80 : 34,150.40 = 21,862.40 : x
  2. Step 2: Convert to fraction form
    22,732.80/34,150.40 = 21,862.40/x
  3. Step 3: Cross multiply
    22,732.80x = 34,150.40 × 21,862.40
  4. Step 4: Simplify right side
    22,732.80x = 746,609,704.96
  5. Step 5: Solve for x
    x = 746,609,704.96/22,732.80
  6. Step 6: Final answer
    x = 32,842.84

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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.