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Finding the Fourth Proportional to 18,182.12, 27,270.12 and 5,035.82

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Solution

The fourth proportional to 18,182.12, 27,270.12 and 5,035.82 is: 7,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.12 : 27,270.12 = 5,035.82 : x
  2. Step 2: Convert to fraction form
    18,182.12/27,270.12 = 5,035.82/x
  3. Step 3: Cross multiply
    18,182.12x = 27,270.12 × 5,035.82
  4. Step 4: Simplify right side
    18,182.12x = 137,327,415.70
  5. Step 5: Solve for x
    x = 137,327,415.70/18,182.12
  6. Step 6: Final answer
    x = 7,552.88

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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.