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Finding the Fourth Proportional to 3,058.90, 4,221.18 and 1,732.73

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Solution

The fourth proportional to 3,058.90, 4,221.18 and 1,732.73 is: 2,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.90 : 4,221.18 = 1,732.73 : x
  2. Step 2: Convert to fraction form
    3,058.90/4,221.18 = 1,732.73/x
  3. Step 3: Cross multiply
    3,058.90x = 4,221.18 × 1,732.73
  4. Step 4: Simplify right side
    3,058.90x = 7,314,144.12
  5. Step 5: Solve for x
    x = 7,314,144.12/3,058.90
  6. Step 6: Final answer
    x = 2,391.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.