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Finding the Fourth Proportional to 9,049.67, 12,489.30 and 5,017.48

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Solution

The fourth proportional to 9,049.67, 12,489.30 and 5,017.48 is: 6,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.67 : 12,489.30 = 5,017.48 : x
  2. Step 2: Convert to fraction form
    9,049.67/12,489.30 = 5,017.48/x
  3. Step 3: Cross multiply
    9,049.67x = 12,489.30 × 5,017.48
  4. Step 4: Simplify right side
    9,049.67x = 62,664,812.96
  5. Step 5: Solve for x
    x = 62,664,812.96/9,049.67
  6. Step 6: Final answer
    x = 6,924.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.