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Finding the Fourth Proportional to 5,987.28, 8,981.52 and 2,476.56

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Solution

The fourth proportional to 5,987.28, 8,981.52 and 2,476.56 is: 3,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.28 : 8,981.52 = 2,476.56 : x
  2. Step 2: Convert to fraction form
    5,987.28/8,981.52 = 2,476.56/x
  3. Step 3: Cross multiply
    5,987.28x = 8,981.52 × 2,476.56
  4. Step 4: Simplify right side
    5,987.28x = 22,243,273.17
  5. Step 5: Solve for x
    x = 22,243,273.17/5,987.28
  6. Step 6: Final answer
    x = 3,715.09

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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.