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Finding the Fourth Proportional to 18,588.53, 27,882.45 and 7,494.92

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Solution

The fourth proportional to 18,588.53, 27,882.45 and 7,494.92 is: 11,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.53 : 27,882.45 = 7,494.92 : x
  2. Step 2: Convert to fraction form
    18,588.53/27,882.45 = 7,494.92/x
  3. Step 3: Cross multiply
    18,588.53x = 27,882.45 × 7,494.92
  4. Step 4: Simplify right side
    18,588.53x = 208,976,732.15
  5. Step 5: Solve for x
    x = 208,976,732.15/18,588.53
  6. Step 6: Final answer
    x = 11,242.24

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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.