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Finding the Fourth Proportional to 23,199.92, 34,722.84 and 21,124.70

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Solution

The fourth proportional to 23,199.92, 34,722.84 and 21,124.70 is: 31,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.92 : 34,722.84 = 21,124.70 : x
  2. Step 2: Convert to fraction form
    23,199.92/34,722.84 = 21,124.70/x
  3. Step 3: Cross multiply
    23,199.92x = 34,722.84 × 21,124.70
  4. Step 4: Simplify right side
    23,199.92x = 733,509,578.15
  5. Step 5: Solve for x
    x = 733,509,578.15/23,199.92
  6. Step 6: Final answer
    x = 31,616.90

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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.