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Finding the Fourth Proportional to 3,058.63, 4,221.31 and 1,732.33

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Solution

The fourth proportional to 3,058.63, 4,221.31 and 1,732.33 is: 2,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.63 : 4,221.31 = 1,732.33 : x
  2. Step 2: Convert to fraction form
    3,058.63/4,221.31 = 1,732.33/x
  3. Step 3: Cross multiply
    3,058.63x = 4,221.31 × 1,732.33
  4. Step 4: Simplify right side
    3,058.63x = 7,312,701.95
  5. Step 5: Solve for x
    x = 7,312,701.95/3,058.63
  6. Step 6: Final answer
    x = 2,390.85

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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.