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Finding the Fourth Proportional to 18,043.68, 27,027.12 and 10,248.48

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Solution

The fourth proportional to 18,043.68, 27,027.12 and 10,248.48 is: 15,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.68 : 27,027.12 = 10,248.48 : x
  2. Step 2: Convert to fraction form
    18,043.68/27,027.12 = 10,248.48/x
  3. Step 3: Cross multiply
    18,043.68x = 27,027.12 × 10,248.48
  4. Step 4: Simplify right side
    18,043.68x = 276,986,898.78
  5. Step 5: Solve for x
    x = 276,986,898.78/18,043.68
  6. Step 6: Final answer
    x = 15,350.91

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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.