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Finding the Fourth Proportional to 13,227.70, 19,842.02 and 4,462.70

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Solution

The fourth proportional to 13,227.70, 19,842.02 and 4,462.70 is: 6,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.70 : 19,842.02 = 4,462.70 : x
  2. Step 2: Convert to fraction form
    13,227.70/19,842.02 = 4,462.70/x
  3. Step 3: Cross multiply
    13,227.70x = 19,842.02 × 4,462.70
  4. Step 4: Simplify right side
    13,227.70x = 88,548,982.65
  5. Step 5: Solve for x
    x = 88,548,982.65/13,227.70
  6. Step 6: Final answer
    x = 6,694.21

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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.