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Finding the Fourth Proportional to 22,291.36, 33,438.72 and 7,500.32

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Solution

The fourth proportional to 22,291.36, 33,438.72 and 7,500.32 is: 11,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.36 : 33,438.72 = 7,500.32 : x
  2. Step 2: Convert to fraction form
    22,291.36/33,438.72 = 7,500.32/x
  3. Step 3: Cross multiply
    22,291.36x = 33,438.72 × 7,500.32
  4. Step 4: Simplify right side
    22,291.36x = 250,801,100.39
  5. Step 5: Solve for x
    x = 250,801,100.39/22,291.36
  6. Step 6: Final answer
    x = 11,251.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.