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Finding the Fourth Proportional to 22,391.68, 33,586.16 and 8,348.98

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Solution

The fourth proportional to 22,391.68, 33,586.16 and 8,348.98 is: 12,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.68 : 33,586.16 = 8,348.98 : x
  2. Step 2: Convert to fraction form
    22,391.68/33,586.16 = 8,348.98/x
  3. Step 3: Cross multiply
    22,391.68x = 33,586.16 × 8,348.98
  4. Step 4: Simplify right side
    22,391.68x = 280,410,178.12
  5. Step 5: Solve for x
    x = 280,410,178.12/22,391.68
  6. Step 6: Final answer
    x = 12,522.96

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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.