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Finding the Fourth Proportional to 5,976.65, 8,970.65 and 2,691.29

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Solution

The fourth proportional to 5,976.65, 8,970.65 and 2,691.29 is: 4,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.65 : 8,970.65 = 2,691.29 : x
  2. Step 2: Convert to fraction form
    5,976.65/8,970.65 = 2,691.29/x
  3. Step 3: Cross multiply
    5,976.65x = 8,970.65 × 2,691.29
  4. Step 4: Simplify right side
    5,976.65x = 24,142,639.70
  5. Step 5: Solve for x
    x = 24,142,639.70/5,976.65
  6. Step 6: Final answer
    x = 4,039.49

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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.