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Finding the Fourth Proportional to 3,354.54, 4,629.17 and 1,862.49

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Solution

The fourth proportional to 3,354.54, 4,629.17 and 1,862.49 is: 2,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.54 : 4,629.17 = 1,862.49 : x
  2. Step 2: Convert to fraction form
    3,354.54/4,629.17 = 1,862.49/x
  3. Step 3: Cross multiply
    3,354.54x = 4,629.17 × 1,862.49
  4. Step 4: Simplify right side
    3,354.54x = 8,621,773.52
  5. Step 5: Solve for x
    x = 8,621,773.52/3,354.54
  6. Step 6: Final answer
    x = 2,570.18

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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.