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Finding the Fourth Proportional to 3,372.53, 5,058.80 and 907.61

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Solution

The fourth proportional to 3,372.53, 5,058.80 and 907.61 is: 1,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.53 : 5,058.80 = 907.61 : x
  2. Step 2: Convert to fraction form
    3,372.53/5,058.80 = 907.61/x
  3. Step 3: Cross multiply
    3,372.53x = 5,058.80 × 907.61
  4. Step 4: Simplify right side
    3,372.53x = 4,591,394.44
  5. Step 5: Solve for x
    x = 4,591,394.44/3,372.53
  6. Step 6: Final answer
    x = 1,361.41

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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.