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Finding the Fourth Proportional to 22,489.42, 33,708.48 and 13,704.88

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Solution

The fourth proportional to 22,489.42, 33,708.48 and 13,704.88 is: 20,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.42 : 33,708.48 = 13,704.88 : x
  2. Step 2: Convert to fraction form
    22,489.42/33,708.48 = 13,704.88/x
  3. Step 3: Cross multiply
    22,489.42x = 33,708.48 × 13,704.88
  4. Step 4: Simplify right side
    22,489.42x = 461,970,673.38
  5. Step 5: Solve for x
    x = 461,970,673.38/22,489.42
  6. Step 6: Final answer
    x = 20,541.69

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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.