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Finding the Fourth Proportional to 22,638.77, 33,964.63 and 10,958.57

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Solution

The fourth proportional to 22,638.77, 33,964.63 and 10,958.57 is: 16,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.77 : 33,964.63 = 10,958.57 : x
  2. Step 2: Convert to fraction form
    22,638.77/33,964.63 = 10,958.57/x
  3. Step 3: Cross multiply
    22,638.77x = 33,964.63 × 10,958.57
  4. Step 4: Simplify right side
    22,638.77x = 372,203,775.38
  5. Step 5: Solve for x
    x = 372,203,775.38/22,638.77
  6. Step 6: Final answer
    x = 16,440.99

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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.