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Finding the Fourth Proportional to 18,248.60, 25,183.79 and 10,182.95

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Solution

The fourth proportional to 18,248.60, 25,183.79 and 10,182.95 is: 14,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.60 : 25,183.79 = 10,182.95 : x
  2. Step 2: Convert to fraction form
    18,248.60/25,183.79 = 10,182.95/x
  3. Step 3: Cross multiply
    18,248.60x = 25,183.79 × 10,182.95
  4. Step 4: Simplify right side
    18,248.60x = 256,445,362.80
  5. Step 5: Solve for x
    x = 256,445,362.80/18,248.60
  6. Step 6: Final answer
    x = 14,052.88

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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.