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Finding the Fourth Proportional to 22,169.89, 33,256.89 and 8,839.67

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Solution

The fourth proportional to 22,169.89, 33,256.89 and 8,839.67 is: 13,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.89 : 33,256.89 = 8,839.67 : x
  2. Step 2: Convert to fraction form
    22,169.89/33,256.89 = 8,839.67/x
  3. Step 3: Cross multiply
    22,169.89x = 33,256.89 × 8,839.67
  4. Step 4: Simplify right side
    22,169.89x = 293,979,858.11
  5. Step 5: Solve for x
    x = 293,979,858.11/22,169.89
  6. Step 6: Final answer
    x = 13,260.32

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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.