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Finding the Fourth Proportional to 5,842.60, 8,062.91 and 3,190.12

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Solution

The fourth proportional to 5,842.60, 8,062.91 and 3,190.12 is: 4,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.60 : 8,062.91 = 3,190.12 : x
  2. Step 2: Convert to fraction form
    5,842.60/8,062.91 = 3,190.12/x
  3. Step 3: Cross multiply
    5,842.60x = 8,062.91 × 3,190.12
  4. Step 4: Simplify right side
    5,842.60x = 25,721,650.45
  5. Step 5: Solve for x
    x = 25,721,650.45/5,842.60
  6. Step 6: Final answer
    x = 4,402.43

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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.