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Finding the Fourth Proportional to 50,788.44, 70,064.79 and 32,889.21

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Solution

The fourth proportional to 50,788.44, 70,064.79 and 32,889.21 is: 45,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,788.44 : 70,064.79 = 32,889.21 : x
  2. Step 2: Convert to fraction form
    50,788.44/70,064.79 = 32,889.21/x
  3. Step 3: Cross multiply
    50,788.44x = 70,064.79 × 32,889.21
  4. Step 4: Simplify right side
    50,788.44x = 2,304,375,427.47
  5. Step 5: Solve for x
    x = 2,304,375,427.47/50,788.44
  6. Step 6: Final answer
    x = 45,372.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.