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Finding the Fourth Proportional to 23,169.70, 34,727.70 and 10,663.48

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Solution

The fourth proportional to 23,169.70, 34,727.70 and 10,663.48 is: 15,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.70 : 34,727.70 = 10,663.48 : x
  2. Step 2: Convert to fraction form
    23,169.70/34,727.70 = 10,663.48/x
  3. Step 3: Cross multiply
    23,169.70x = 34,727.70 × 10,663.48
  4. Step 4: Simplify right side
    23,169.70x = 370,318,134.40
  5. Step 5: Solve for x
    x = 370,318,134.40/23,169.70
  6. Step 6: Final answer
    x = 15,982.86

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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.