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Finding the Fourth Proportional to 8,039.95, 12,061.65 and 2,493.18

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Solution

The fourth proportional to 8,039.95, 12,061.65 and 2,493.18 is: 3,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.95 : 12,061.65 = 2,493.18 : x
  2. Step 2: Convert to fraction form
    8,039.95/12,061.65 = 2,493.18/x
  3. Step 3: Cross multiply
    8,039.95x = 12,061.65 × 2,493.18
  4. Step 4: Simplify right side
    8,039.95x = 30,071,864.55
  5. Step 5: Solve for x
    x = 30,071,864.55/8,039.95
  6. Step 6: Final answer
    x = 3,740.31

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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.