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Finding the Fourth Proportional to 38,425.20, 57,637.80 and 22,834.80

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Solution

The fourth proportional to 38,425.20, 57,637.80 and 22,834.80 is: 34,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.20 : 57,637.80 = 22,834.80 : x
  2. Step 2: Convert to fraction form
    38,425.20/57,637.80 = 22,834.80/x
  3. Step 3: Cross multiply
    38,425.20x = 57,637.80 × 22,834.80
  4. Step 4: Simplify right side
    38,425.20x = 1,316,147,635.44
  5. Step 5: Solve for x
    x = 1,316,147,635.44/38,425.20
  6. Step 6: Final answer
    x = 34,252.20

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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.