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Finding the Fourth Proportional to 5,372.50, 8,061.83 and 2,908.71

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Solution

The fourth proportional to 5,372.50, 8,061.83 and 2,908.71 is: 4,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.50 : 8,061.83 = 2,908.71 : x
  2. Step 2: Convert to fraction form
    5,372.50/8,061.83 = 2,908.71/x
  3. Step 3: Cross multiply
    5,372.50x = 8,061.83 × 2,908.71
  4. Step 4: Simplify right side
    5,372.50x = 23,449,521.90
  5. Step 5: Solve for x
    x = 23,449,521.90/5,372.50
  6. Step 6: Final answer
    x = 4,364.73

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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.