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Finding the Fourth Proportional to 22,039.36, 33,062.72 and 7,245.04

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Solution

The fourth proportional to 22,039.36, 33,062.72 and 7,245.04 is: 10,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.36 : 33,062.72 = 7,245.04 : x
  2. Step 2: Convert to fraction form
    22,039.36/33,062.72 = 7,245.04/x
  3. Step 3: Cross multiply
    22,039.36x = 33,062.72 × 7,245.04
  4. Step 4: Simplify right side
    22,039.36x = 239,540,728.91
  5. Step 5: Solve for x
    x = 239,540,728.91/22,039.36
  6. Step 6: Final answer
    x = 10,868.77

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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.