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Finding the Fourth Proportional to 3,354.61, 4,629.13 and 1,862.41

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Solution

The fourth proportional to 3,354.61, 4,629.13 and 1,862.41 is: 2,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.61 : 4,629.13 = 1,862.41 : x
  2. Step 2: Convert to fraction form
    3,354.61/4,629.13 = 1,862.41/x
  3. Step 3: Cross multiply
    3,354.61x = 4,629.13 × 1,862.41
  4. Step 4: Simplify right side
    3,354.61x = 8,621,305.55
  5. Step 5: Solve for x
    x = 8,621,305.55/3,354.61
  6. Step 6: Final answer
    x = 2,569.99

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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.