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Finding the Fourth Proportional to 9,242.52, 13,863.88 and 3,086.52

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Solution

The fourth proportional to 9,242.52, 13,863.88 and 3,086.52 is: 4,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.52 : 13,863.88 = 3,086.52 : x
  2. Step 2: Convert to fraction form
    9,242.52/13,863.88 = 3,086.52/x
  3. Step 3: Cross multiply
    9,242.52x = 13,863.88 × 3,086.52
  4. Step 4: Simplify right side
    9,242.52x = 42,791,142.90
  5. Step 5: Solve for x
    x = 42,791,142.90/9,242.52
  6. Step 6: Final answer
    x = 4,629.81

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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.