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Finding the Fourth Proportional to 5,966.76, 8,921.68 and 5,443.92

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Solution

The fourth proportional to 5,966.76, 8,921.68 and 5,443.92 is: 8,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.76 : 8,921.68 = 5,443.92 : x
  2. Step 2: Convert to fraction form
    5,966.76/8,921.68 = 5,443.92/x
  3. Step 3: Cross multiply
    5,966.76x = 8,921.68 × 5,443.92
  4. Step 4: Simplify right side
    5,966.76x = 48,568,912.19
  5. Step 5: Solve for x
    x = 48,568,912.19/5,966.76
  6. Step 6: Final answer
    x = 8,139.91

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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.