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Finding the Fourth Proportional to 52,757.64, 79,110.90 and 19,493.36

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Solution

The fourth proportional to 52,757.64, 79,110.90 and 19,493.36 is: 29,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.64 : 79,110.90 = 19,493.36 : x
  2. Step 2: Convert to fraction form
    52,757.64/79,110.90 = 19,493.36/x
  3. Step 3: Cross multiply
    52,757.64x = 79,110.90 × 19,493.36
  4. Step 4: Simplify right side
    52,757.64x = 1,542,137,253.62
  5. Step 5: Solve for x
    x = 1,542,137,253.62/52,757.64
  6. Step 6: Final answer
    x = 29,230.60

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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.