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Finding the Fourth Proportional to 33,878.40, 50,875.20 and 25,123.20

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Solution

The fourth proportional to 33,878.40, 50,875.20 and 25,123.20 is: 37,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,878.40 : 50,875.20 = 25,123.20 : x
  2. Step 2: Convert to fraction form
    33,878.40/50,875.20 = 25,123.20/x
  3. Step 3: Cross multiply
    33,878.40x = 50,875.20 × 25,123.20
  4. Step 4: Simplify right side
    33,878.40x = 1,278,147,824.64
  5. Step 5: Solve for x
    x = 1,278,147,824.64/33,878.40
  6. Step 6: Final answer
    x = 37,727.51

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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.