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Finding the Fourth Proportional to 3,352.78, 5,029.17 and 1,244.49

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Solution

The fourth proportional to 3,352.78, 5,029.17 and 1,244.49 is: 1,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.78 : 5,029.17 = 1,244.49 : x
  2. Step 2: Convert to fraction form
    3,352.78/5,029.17 = 1,244.49/x
  3. Step 3: Cross multiply
    3,352.78x = 5,029.17 × 1,244.49
  4. Step 4: Simplify right side
    3,352.78x = 6,258,751.77
  5. Step 5: Solve for x
    x = 6,258,751.77/3,352.78
  6. Step 6: Final answer
    x = 1,866.74

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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.