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Finding the Fourth Proportional to 5,966.72, 8,947.20 and 1,805.12

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Solution

The fourth proportional to 5,966.72, 8,947.20 and 1,805.12 is: 2,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.72 : 8,947.20 = 1,805.12 : x
  2. Step 2: Convert to fraction form
    5,966.72/8,947.20 = 1,805.12/x
  3. Step 3: Cross multiply
    5,966.72x = 8,947.20 × 1,805.12
  4. Step 4: Simplify right side
    5,966.72x = 16,150,769.66
  5. Step 5: Solve for x
    x = 16,150,769.66/5,966.72
  6. Step 6: Final answer
    x = 2,706.81

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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.