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Finding the Fourth Proportional to 18,174.95, 25,083.67 and 10,217

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Solution

The fourth proportional to 18,174.95, 25,083.67 and 10,217 is: 14,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.95 : 25,083.67 = 10,217 : x
  2. Step 2: Convert to fraction form
    18,174.95/25,083.67 = 10,217/x
  3. Step 3: Cross multiply
    18,174.95x = 25,083.67 × 10,217
  4. Step 4: Simplify right side
    18,174.95x = 256,279,856.39
  5. Step 5: Solve for x
    x = 256,279,856.39/18,174.95
  6. Step 6: Final answer
    x = 14,100.72

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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.