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Finding the Fourth Proportional to 22,287.05, 33,432.22 and 7,495.91

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Solution

The fourth proportional to 22,287.05, 33,432.22 and 7,495.91 is: 11,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.05 : 33,432.22 = 7,495.91 : x
  2. Step 2: Convert to fraction form
    22,287.05/33,432.22 = 7,495.91/x
  3. Step 3: Cross multiply
    22,287.05x = 33,432.22 × 7,495.91
  4. Step 4: Simplify right side
    22,287.05x = 250,604,745.06
  5. Step 5: Solve for x
    x = 250,604,745.06/22,287.05
  6. Step 6: Final answer
    x = 11,244.41

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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.