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Finding the Fourth Proportional to 5,652.68, 8,482.56 and 2,189.92

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Solution

The fourth proportional to 5,652.68, 8,482.56 and 2,189.92 is: 3,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.68 : 8,482.56 = 2,189.92 : x
  2. Step 2: Convert to fraction form
    5,652.68/8,482.56 = 2,189.92/x
  3. Step 3: Cross multiply
    5,652.68x = 8,482.56 × 2,189.92
  4. Step 4: Simplify right side
    5,652.68x = 18,576,127.80
  5. Step 5: Solve for x
    x = 18,576,127.80/5,652.68
  6. Step 6: Final answer
    x = 3,286.25

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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.