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Finding the Fourth Proportional to 18,382.41, 25,353 and 12,008.52

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Solution

The fourth proportional to 18,382.41, 25,353 and 12,008.52 is: 16,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.41 : 25,353 = 12,008.52 : x
  2. Step 2: Convert to fraction form
    18,382.41/25,353 = 12,008.52/x
  3. Step 3: Cross multiply
    18,382.41x = 25,353 × 12,008.52
  4. Step 4: Simplify right side
    18,382.41x = 304,452,007.56
  5. Step 5: Solve for x
    x = 304,452,007.56/18,382.41
  6. Step 6: Final answer
    x = 16,562.14

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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.