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Finding the Fourth Proportional to 3,341.52, 5,013 and 1,393.92

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Solution

The fourth proportional to 3,341.52, 5,013 and 1,393.92 is: 2,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.52 : 5,013 = 1,393.92 : x
  2. Step 2: Convert to fraction form
    3,341.52/5,013 = 1,393.92/x
  3. Step 3: Cross multiply
    3,341.52x = 5,013 × 1,393.92
  4. Step 4: Simplify right side
    3,341.52x = 6,987,720.96
  5. Step 5: Solve for x
    x = 6,987,720.96/3,341.52
  6. Step 6: Final answer
    x = 2,091.18

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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.