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Finding the Fourth Proportional to 5,687.91, 8,532.59 and 2,224.71

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Solution

The fourth proportional to 5,687.91, 8,532.59 and 2,224.71 is: 3,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.91 : 8,532.59 = 2,224.71 : x
  2. Step 2: Convert to fraction form
    5,687.91/8,532.59 = 2,224.71/x
  3. Step 3: Cross multiply
    5,687.91x = 8,532.59 × 2,224.71
  4. Step 4: Simplify right side
    5,687.91x = 18,982,527.18
  5. Step 5: Solve for x
    x = 18,982,527.18/5,687.91
  6. Step 6: Final answer
    x = 3,337.35

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1.5x scale

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.