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Finding the Fourth Proportional to 22,773.57, 34,136.97 and 8,729.79

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Solution

The fourth proportional to 22,773.57, 34,136.97 and 8,729.79 is: 13,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,773.57 : 34,136.97 = 8,729.79 : x
  2. Step 2: Convert to fraction form
    22,773.57/34,136.97 = 8,729.79/x
  3. Step 3: Cross multiply
    22,773.57x = 34,136.97 × 8,729.79
  4. Step 4: Simplify right side
    22,773.57x = 298,008,579.34
  5. Step 5: Solve for x
    x = 298,008,579.34/22,773.57
  6. Step 6: Final answer
    x = 13,085.72

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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.