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Finding the Fourth Proportional to 18,588.31, 27,882.49 and 15,294.48

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Solution

The fourth proportional to 18,588.31, 27,882.49 and 15,294.48 is: 22,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.31 : 27,882.49 = 15,294.48 : x
  2. Step 2: Convert to fraction form
    18,588.31/27,882.49 = 15,294.48/x
  3. Step 3: Cross multiply
    18,588.31x = 27,882.49 × 15,294.48
  4. Step 4: Simplify right side
    18,588.31x = 426,448,185.36
  5. Step 5: Solve for x
    x = 426,448,185.36/18,588.31
  6. Step 6: Final answer
    x = 22,941.74

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Similar ratio
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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.