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Finding the Fourth Proportional to 5,882.72, 8,824.07 and 1,989.86

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Solution

The fourth proportional to 5,882.72, 8,824.07 and 1,989.86 is: 2,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.72 : 8,824.07 = 1,989.86 : x
  2. Step 2: Convert to fraction form
    5,882.72/8,824.07 = 1,989.86/x
  3. Step 3: Cross multiply
    5,882.72x = 8,824.07 × 1,989.86
  4. Step 4: Simplify right side
    5,882.72x = 17,558,624.78
  5. Step 5: Solve for x
    x = 17,558,624.78/5,882.72
  6. Step 6: Final answer
    x = 2,984.78

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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.