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Finding the Fourth Proportional to 22,072.52, 33,110.78 and 7,281.48

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Solution

The fourth proportional to 22,072.52, 33,110.78 and 7,281.48 is: 10,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.52 : 33,110.78 = 7,281.48 : x
  2. Step 2: Convert to fraction form
    22,072.52/33,110.78 = 7,281.48/x
  3. Step 3: Cross multiply
    22,072.52x = 33,110.78 × 7,281.48
  4. Step 4: Simplify right side
    22,072.52x = 241,095,482.35
  5. Step 5: Solve for x
    x = 241,095,482.35/22,072.52
  6. Step 6: Final answer
    x = 10,922.88

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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.