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Finding the Fourth Proportional to 22,248.72, 33,363.36 and 8,388

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Solution

The fourth proportional to 22,248.72, 33,363.36 and 8,388 is: 12,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.72 : 33,363.36 = 8,388 : x
  2. Step 2: Convert to fraction form
    22,248.72/33,363.36 = 8,388/x
  3. Step 3: Cross multiply
    22,248.72x = 33,363.36 × 8,388
  4. Step 4: Simplify right side
    22,248.72x = 279,851,863.68
  5. Step 5: Solve for x
    x = 279,851,863.68/22,248.72
  6. Step 6: Final answer
    x = 12,578.34

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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.