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Finding the Fourth Proportional to 8,202.75, 12,301.08 and 2,654.65

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Solution

The fourth proportional to 8,202.75, 12,301.08 and 2,654.65 is: 3,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.75 : 12,301.08 = 2,654.65 : x
  2. Step 2: Convert to fraction form
    8,202.75/12,301.08 = 2,654.65/x
  3. Step 3: Cross multiply
    8,202.75x = 12,301.08 × 2,654.65
  4. Step 4: Simplify right side
    8,202.75x = 32,655,062.02
  5. Step 5: Solve for x
    x = 32,655,062.02/8,202.75
  6. Step 6: Final answer
    x = 3,980.99

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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.