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Finding the Fourth Proportional to 18,229.52, 27,347.52 and 13,900.88

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Solution

The fourth proportional to 18,229.52, 27,347.52 and 13,900.88 is: 20,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.52 : 27,347.52 = 13,900.88 : x
  2. Step 2: Convert to fraction form
    18,229.52/27,347.52 = 13,900.88/x
  3. Step 3: Cross multiply
    18,229.52x = 27,347.52 × 13,900.88
  4. Step 4: Simplify right side
    18,229.52x = 380,154,593.82
  5. Step 5: Solve for x
    x = 380,154,593.82/18,229.52
  6. Step 6: Final answer
    x = 20,853.79

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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.