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Finding the Fourth Proportional to 2,691.76, 3,713.13 and 2,501.48

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Solution

The fourth proportional to 2,691.76, 3,713.13 and 2,501.48 is: 3,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.76 : 3,713.13 = 2,501.48 : x
  2. Step 2: Convert to fraction form
    2,691.76/3,713.13 = 2,501.48/x
  3. Step 3: Cross multiply
    2,691.76x = 3,713.13 × 2,501.48
  4. Step 4: Simplify right side
    2,691.76x = 9,288,307.93
  5. Step 5: Solve for x
    x = 9,288,307.93/2,691.76
  6. Step 6: Final answer
    x = 3,450.64

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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.