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Finding the Fourth Proportional to 19,610.68, 27,065.10 and 11,227

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Solution

The fourth proportional to 19,610.68, 27,065.10 and 11,227 is: 15,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.68 : 27,065.10 = 11,227 : x
  2. Step 2: Convert to fraction form
    19,610.68/27,065.10 = 11,227/x
  3. Step 3: Cross multiply
    19,610.68x = 27,065.10 × 11,227
  4. Step 4: Simplify right side
    19,610.68x = 303,859,877.70
  5. Step 5: Solve for x
    x = 303,859,877.70/19,610.68
  6. Step 6: Final answer
    x = 15,494.61

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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.