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Finding the Fourth Proportional to 8,593.68, 12,883.18 and 3,912.02

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Solution

The fourth proportional to 8,593.68, 12,883.18 and 3,912.02 is: 5,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.68 : 12,883.18 = 3,912.02 : x
  2. Step 2: Convert to fraction form
    8,593.68/12,883.18 = 3,912.02/x
  3. Step 3: Cross multiply
    8,593.68x = 12,883.18 × 3,912.02
  4. Step 4: Simplify right side
    8,593.68x = 50,399,264.51
  5. Step 5: Solve for x
    x = 50,399,264.51/8,593.68
  6. Step 6: Final answer
    x = 5,864.69

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Why These Related Problems?

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