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Finding the Fourth Proportional to 22,254.39, 33,387.05 and 6,672

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Solution

The fourth proportional to 22,254.39, 33,387.05 and 6,672 is: 10,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.39 : 33,387.05 = 6,672 : x
  2. Step 2: Convert to fraction form
    22,254.39/33,387.05 = 6,672/x
  3. Step 3: Cross multiply
    22,254.39x = 33,387.05 × 6,672
  4. Step 4: Simplify right side
    22,254.39x = 222,758,397.60
  5. Step 5: Solve for x
    x = 222,758,397.60/22,254.39
  6. Step 6: Final answer
    x = 10,009.64

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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.