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Finding the Fourth Proportional to 22,187.68, 33,279.24 and 7,395

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Solution

The fourth proportional to 22,187.68, 33,279.24 and 7,395 is: 11,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.68 : 33,279.24 = 7,395 : x
  2. Step 2: Convert to fraction form
    22,187.68/33,279.24 = 7,395/x
  3. Step 3: Cross multiply
    22,187.68x = 33,279.24 × 7,395
  4. Step 4: Simplify right side
    22,187.68x = 246,099,979.80
  5. Step 5: Solve for x
    x = 246,099,979.80/22,187.68
  6. Step 6: Final answer
    x = 11,091.74

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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.