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Finding the Fourth Proportional to 25,201.82, 34,764.03 and 15,753.98

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Solution

The fourth proportional to 25,201.82, 34,764.03 and 15,753.98 is: 21,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.82 : 34,764.03 = 15,753.98 : x
  2. Step 2: Convert to fraction form
    25,201.82/34,764.03 = 15,753.98/x
  3. Step 3: Cross multiply
    25,201.82x = 34,764.03 × 15,753.98
  4. Step 4: Simplify right side
    25,201.82x = 547,671,754.57
  5. Step 5: Solve for x
    x = 547,671,754.57/25,201.82
  6. Step 6: Final answer
    x = 21,731.44

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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.