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Finding the Fourth Proportional to 18,475.67, 27,734.27 and 7,390.16

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Solution

The fourth proportional to 18,475.67, 27,734.27 and 7,390.16 is: 11,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.67 : 27,734.27 = 7,390.16 : x
  2. Step 2: Convert to fraction form
    18,475.67/27,734.27 = 7,390.16/x
  3. Step 3: Cross multiply
    18,475.67x = 27,734.27 × 7,390.16
  4. Step 4: Simplify right side
    18,475.67x = 204,960,761.52
  5. Step 5: Solve for x
    x = 204,960,761.52/18,475.67
  6. Step 6: Final answer
    x = 11,093.55

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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.