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Finding the Fourth Proportional to 22,630.68, 33,933.60 and 7,838.28

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Solution

The fourth proportional to 22,630.68, 33,933.60 and 7,838.28 is: 11,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.68 : 33,933.60 = 7,838.28 : x
  2. Step 2: Convert to fraction form
    22,630.68/33,933.60 = 7,838.28/x
  3. Step 3: Cross multiply
    22,630.68x = 33,933.60 × 7,838.28
  4. Step 4: Simplify right side
    22,630.68x = 265,981,058.21
  5. Step 5: Solve for x
    x = 265,981,058.21/22,630.68
  6. Step 6: Final answer
    x = 11,753.12

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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.