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Finding the Fourth Proportional to 5,471.60, 8,206.03 and 2,182.90

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Solution

The fourth proportional to 5,471.60, 8,206.03 and 2,182.90 is: 3,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.60 : 8,206.03 = 2,182.90 : x
  2. Step 2: Convert to fraction form
    5,471.60/8,206.03 = 2,182.90/x
  3. Step 3: Cross multiply
    5,471.60x = 8,206.03 × 2,182.90
  4. Step 4: Simplify right side
    5,471.60x = 17,912,946.63
  5. Step 5: Solve for x
    x = 17,912,946.63/5,471.60
  6. Step 6: Final answer
    x = 3,273.80

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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.