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Finding the Fourth Proportional to 2,871.67, 3,962.17 and 1,752.53

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Solution

The fourth proportional to 2,871.67, 3,962.17 and 1,752.53 is: 2,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.67 : 3,962.17 = 1,752.53 : x
  2. Step 2: Convert to fraction form
    2,871.67/3,962.17 = 1,752.53/x
  3. Step 3: Cross multiply
    2,871.67x = 3,962.17 × 1,752.53
  4. Step 4: Simplify right side
    2,871.67x = 6,943,813.03
  5. Step 5: Solve for x
    x = 6,943,813.03/2,871.67
  6. Step 6: Final answer
    x = 2,418.04

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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.