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Finding the Fourth Proportional to 52,676.80, 79,003.34 and 15,228.53

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Solution

The fourth proportional to 52,676.80, 79,003.34 and 15,228.53 is: 22,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,676.80 : 79,003.34 = 15,228.53 : x
  2. Step 2: Convert to fraction form
    52,676.80/79,003.34 = 15,228.53/x
  3. Step 3: Cross multiply
    52,676.80x = 79,003.34 × 15,228.53
  4. Step 4: Simplify right side
    52,676.80x = 1,203,104,733.29
  5. Step 5: Solve for x
    x = 1,203,104,733.29/52,676.80
  6. Step 6: Final answer
    x = 22,839.37

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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.