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Finding the Fourth Proportional to 18,608.70, 27,850.67 and 15,276.77

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Solution

The fourth proportional to 18,608.70, 27,850.67 and 15,276.77 is: 22,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.70 : 27,850.67 = 15,276.77 : x
  2. Step 2: Convert to fraction form
    18,608.70/27,850.67 = 15,276.77/x
  3. Step 3: Cross multiply
    18,608.70x = 27,850.67 × 15,276.77
  4. Step 4: Simplify right side
    18,608.70x = 425,468,064.30
  5. Step 5: Solve for x
    x = 425,468,064.30/18,608.70
  6. Step 6: Final answer
    x = 22,863.93

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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.