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Finding the Fourth Proportional to 22,665.77, 33,998.65 and 8,622.55

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Solution

The fourth proportional to 22,665.77, 33,998.65 and 8,622.55 is: 12,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.77 : 33,998.65 = 8,622.55 : x
  2. Step 2: Convert to fraction form
    22,665.77/33,998.65 = 8,622.55/x
  3. Step 3: Cross multiply
    22,665.77x = 33,998.65 × 8,622.55
  4. Step 4: Simplify right side
    22,665.77x = 293,155,059.56
  5. Step 5: Solve for x
    x = 293,155,059.56/22,665.77
  6. Step 6: Final answer
    x = 12,933.82

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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.