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Finding the Fourth Proportional to 3,691.15, 5,536.79 and 1,094.15

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Solution

The fourth proportional to 3,691.15, 5,536.79 and 1,094.15 is: 1,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.15 : 5,536.79 = 1,094.15 : x
  2. Step 2: Convert to fraction form
    3,691.15/5,536.79 = 1,094.15/x
  3. Step 3: Cross multiply
    3,691.15x = 5,536.79 × 1,094.15
  4. Step 4: Simplify right side
    3,691.15x = 6,058,078.78
  5. Step 5: Solve for x
    x = 6,058,078.78/3,691.15
  6. Step 6: Final answer
    x = 1,641.24

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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.