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Finding the Fourth Proportional to 2,498.34, 3,747.52 and 854.90

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Solution

The fourth proportional to 2,498.34, 3,747.52 and 854.90 is: 1,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.34 : 3,747.52 = 854.90 : x
  2. Step 2: Convert to fraction form
    2,498.34/3,747.52 = 854.90/x
  3. Step 3: Cross multiply
    2,498.34x = 3,747.52 × 854.90
  4. Step 4: Simplify right side
    2,498.34x = 3,203,767.50
  5. Step 5: Solve for x
    x = 3,203,767.50/2,498.34
  6. Step 6: Final answer
    x = 1,282.36

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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.