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Finding the Fourth Proportional to 8,871.77, 12,240.86 and 5,846.56

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Solution

The fourth proportional to 8,871.77, 12,240.86 and 5,846.56 is: 8,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.77 : 12,240.86 = 5,846.56 : x
  2. Step 2: Convert to fraction form
    8,871.77/12,240.86 = 5,846.56/x
  3. Step 3: Cross multiply
    8,871.77x = 12,240.86 × 5,846.56
  4. Step 4: Simplify right side
    8,871.77x = 71,566,862.61
  5. Step 5: Solve for x
    x = 71,566,862.61/8,871.77
  6. Step 6: Final answer
    x = 8,066.81

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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.