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Finding the Fourth Proportional to 2,049.57, 3,073.93 and 588.40

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Solution

The fourth proportional to 2,049.57, 3,073.93 and 588.40 is: 882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.57 : 3,073.93 = 588.40 : x
  2. Step 2: Convert to fraction form
    2,049.57/3,073.93 = 588.40/x
  3. Step 3: Cross multiply
    2,049.57x = 3,073.93 × 588.40
  4. Step 4: Simplify right side
    2,049.57x = 1,808,691.26
  5. Step 5: Solve for x
    x = 1,808,691.26/2,049.57
  6. Step 6: Final answer
    x = 882.47

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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.