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Finding the Fourth Proportional to 3,668.96, 5,061.48 and 2,342

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Solution

The fourth proportional to 3,668.96, 5,061.48 and 2,342 is: 3,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.96 : 5,061.48 = 2,342 : x
  2. Step 2: Convert to fraction form
    3,668.96/5,061.48 = 2,342/x
  3. Step 3: Cross multiply
    3,668.96x = 5,061.48 × 2,342
  4. Step 4: Simplify right side
    3,668.96x = 11,853,986.16
  5. Step 5: Solve for x
    x = 11,853,986.16/3,668.96
  6. Step 6: Final answer
    x = 3,230.88

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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.