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Finding the Fourth Proportional to 18,562.67, 27,843.99 and 5,416.10

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Solution

The fourth proportional to 18,562.67, 27,843.99 and 5,416.10 is: 8,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.67 : 27,843.99 = 5,416.10 : x
  2. Step 2: Convert to fraction form
    18,562.67/27,843.99 = 5,416.10/x
  3. Step 3: Cross multiply
    18,562.67x = 27,843.99 × 5,416.10
  4. Step 4: Simplify right side
    18,562.67x = 150,805,695.02
  5. Step 5: Solve for x
    x = 150,805,695.02/18,562.67
  6. Step 6: Final answer
    x = 8,124.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.