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Finding the Fourth Proportional to 18,248.76, 25,183.26 and 9,865.26

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Solution

The fourth proportional to 18,248.76, 25,183.26 and 9,865.26 is: 13,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.76 : 25,183.26 = 9,865.26 : x
  2. Step 2: Convert to fraction form
    18,248.76/25,183.26 = 9,865.26/x
  3. Step 3: Cross multiply
    18,248.76x = 25,183.26 × 9,865.26
  4. Step 4: Simplify right side
    18,248.76x = 248,439,407.55
  5. Step 5: Solve for x
    x = 248,439,407.55/18,248.76
  6. Step 6: Final answer
    x = 13,614.04

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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.