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Finding the Fourth Proportional to 2,715.88, 3,747.91 and 1,473.88

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Solution

The fourth proportional to 2,715.88, 3,747.91 and 1,473.88 is: 2,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.88 : 3,747.91 = 1,473.88 : x
  2. Step 2: Convert to fraction form
    2,715.88/3,747.91 = 1,473.88/x
  3. Step 3: Cross multiply
    2,715.88x = 3,747.91 × 1,473.88
  4. Step 4: Simplify right side
    2,715.88x = 5,523,969.59
  5. Step 5: Solve for x
    x = 5,523,969.59/2,715.88
  6. Step 6: Final answer
    x = 2,033.95

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Why These Related Problems?

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