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Finding the Fourth Proportional to 25,127.88, 34,676.47 and 13,949.88

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Solution

The fourth proportional to 25,127.88, 34,676.47 and 13,949.88 is: 19,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.88 : 34,676.47 = 13,949.88 : x
  2. Step 2: Convert to fraction form
    25,127.88/34,676.47 = 13,949.88/x
  3. Step 3: Cross multiply
    25,127.88x = 34,676.47 × 13,949.88
  4. Step 4: Simplify right side
    25,127.88x = 483,732,595.32
  5. Step 5: Solve for x
    x = 483,732,595.32/25,127.88
  6. Step 6: Final answer
    x = 19,250.83

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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.