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Finding the Fourth Proportional to 5,987.39, 8,981.70 and 2,292.71

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Solution

The fourth proportional to 5,987.39, 8,981.70 and 2,292.71 is: 3,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.39 : 8,981.70 = 2,292.71 : x
  2. Step 2: Convert to fraction form
    5,987.39/8,981.70 = 2,292.71/x
  3. Step 3: Cross multiply
    5,987.39x = 8,981.70 × 2,292.71
  4. Step 4: Simplify right side
    5,987.39x = 20,592,433.41
  5. Step 5: Solve for x
    x = 20,592,433.41/5,987.39
  6. Step 6: Final answer
    x = 3,439.30

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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.