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Finding the Fourth Proportional to 22,650.87, 33,989.67 and 8,622.71

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Solution

The fourth proportional to 22,650.87, 33,989.67 and 8,622.71 is: 12,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.87 : 33,989.67 = 8,622.71 : x
  2. Step 2: Convert to fraction form
    22,650.87/33,989.67 = 8,622.71/x
  3. Step 3: Cross multiply
    22,650.87x = 33,989.67 × 8,622.71
  4. Step 4: Simplify right side
    22,650.87x = 293,082,897.46
  5. Step 5: Solve for x
    x = 293,082,897.46/22,650.87
  6. Step 6: Final answer
    x = 12,939.15

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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.