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Finding the Fourth Proportional to 8,041.96, 12,062.90 and 3,113.92

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Solution

The fourth proportional to 8,041.96, 12,062.90 and 3,113.92 is: 4,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.96 : 12,062.90 = 3,113.92 : x
  2. Step 2: Convert to fraction form
    8,041.96/12,062.90 = 3,113.92/x
  3. Step 3: Cross multiply
    8,041.96x = 12,062.90 × 3,113.92
  4. Step 4: Simplify right side
    8,041.96x = 37,562,905.57
  5. Step 5: Solve for x
    x = 37,562,905.57/8,041.96
  6. Step 6: Final answer
    x = 4,670.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.