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Finding the Fourth Proportional to 22,687.96, 34,009.72 and 10,211.12

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Solution

The fourth proportional to 22,687.96, 34,009.72 and 10,211.12 is: 15,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.96 : 34,009.72 = 10,211.12 : x
  2. Step 2: Convert to fraction form
    22,687.96/34,009.72 = 10,211.12/x
  3. Step 3: Cross multiply
    22,687.96x = 34,009.72 × 10,211.12
  4. Step 4: Simplify right side
    22,687.96x = 347,277,332.09
  5. Step 5: Solve for x
    x = 347,277,332.09/22,687.96
  6. Step 6: Final answer
    x = 15,306.68

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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.