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Finding the Fourth Proportional to 15,167.28, 22,749.79 and 5,808.14

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Solution

The fourth proportional to 15,167.28, 22,749.79 and 5,808.14 is: 8,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.28 : 22,749.79 = 5,808.14 : x
  2. Step 2: Convert to fraction form
    15,167.28/22,749.79 = 5,808.14/x
  3. Step 3: Cross multiply
    15,167.28x = 22,749.79 × 5,808.14
  4. Step 4: Simplify right side
    15,167.28x = 132,133,965.29
  5. Step 5: Solve for x
    x = 132,133,965.29/15,167.28
  6. Step 6: Final answer
    x = 8,711.78

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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.