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Finding the Fourth Proportional to 5,983.61, 8,975.42 and 2,862.88

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Solution

The fourth proportional to 5,983.61, 8,975.42 and 2,862.88 is: 4,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.61 : 8,975.42 = 2,862.88 : x
  2. Step 2: Convert to fraction form
    5,983.61/8,975.42 = 2,862.88/x
  3. Step 3: Cross multiply
    5,983.61x = 8,975.42 × 2,862.88
  4. Step 4: Simplify right side
    5,983.61x = 25,695,550.41
  5. Step 5: Solve for x
    x = 25,695,550.41/5,983.61
  6. Step 6: Final answer
    x = 4,294.32

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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.