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Finding the Fourth Proportional to 18,248.67, 25,183.17 and 9,865.17

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Solution

The fourth proportional to 18,248.67, 25,183.17 and 9,865.17 is: 13,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.67 : 25,183.17 = 9,865.17 : x
  2. Step 2: Convert to fraction form
    18,248.67/25,183.17 = 9,865.17/x
  3. Step 3: Cross multiply
    18,248.67x = 25,183.17 × 9,865.17
  4. Step 4: Simplify right side
    18,248.67x = 248,436,253.19
  5. Step 5: Solve for x
    x = 248,436,253.19/18,248.67
  6. Step 6: Final answer
    x = 13,613.94

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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.