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Finding the Fourth Proportional to 22,580.52, 33,872.40 and 7,789.22

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Solution

The fourth proportional to 22,580.52, 33,872.40 and 7,789.22 is: 11,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.52 : 33,872.40 = 7,789.22 : x
  2. Step 2: Convert to fraction form
    22,580.52/33,872.40 = 7,789.22/x
  3. Step 3: Cross multiply
    22,580.52x = 33,872.40 × 7,789.22
  4. Step 4: Simplify right side
    22,580.52x = 263,839,575.53
  5. Step 5: Solve for x
    x = 263,839,575.53/22,580.52
  6. Step 6: Final answer
    x = 11,684.39

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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.