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Finding the Fourth Proportional to 45,393.57, 62,648.91 and 27,489.33

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Solution

The fourth proportional to 45,393.57, 62,648.91 and 27,489.33 is: 37,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.57 : 62,648.91 = 27,489.33 : x
  2. Step 2: Convert to fraction form
    45,393.57/62,648.91 = 27,489.33/x
  3. Step 3: Cross multiply
    45,393.57x = 62,648.91 × 27,489.33
  4. Step 4: Simplify right side
    45,393.57x = 1,722,176,561.13
  5. Step 5: Solve for x
    x = 1,722,176,561.13/45,393.57
  6. Step 6: Final answer
    x = 37,938.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.