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Finding the Fourth Proportional to 8,760.13, 12,089.23 and 4,983.82

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Solution

The fourth proportional to 8,760.13, 12,089.23 and 4,983.82 is: 6,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.13 : 12,089.23 = 4,983.82 : x
  2. Step 2: Convert to fraction form
    8,760.13/12,089.23 = 4,983.82/x
  3. Step 3: Cross multiply
    8,760.13x = 12,089.23 × 4,983.82
  4. Step 4: Simplify right side
    8,760.13x = 60,250,503.58
  5. Step 5: Solve for x
    x = 60,250,503.58/8,760.13
  6. Step 6: Final answer
    x = 6,877.81

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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.