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Finding the Fourth Proportional to 27,586.76, 38,069.68 and 15,011.44

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Solution

The fourth proportional to 27,586.76, 38,069.68 and 15,011.44 is: 20,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.76 : 38,069.68 = 15,011.44 : x
  2. Step 2: Convert to fraction form
    27,586.76/38,069.68 = 15,011.44/x
  3. Step 3: Cross multiply
    27,586.76x = 38,069.68 × 15,011.44
  4. Step 4: Simplify right side
    27,586.76x = 571,480,717.14
  5. Step 5: Solve for x
    x = 571,480,717.14/27,586.76
  6. Step 6: Final answer
    x = 20,715.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.