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Finding the Fourth Proportional to 58,625.09, 87,936.87 and 14,251.72

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Solution

The fourth proportional to 58,625.09, 87,936.87 and 14,251.72 is: 21,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,625.09 : 87,936.87 = 14,251.72 : x
  2. Step 2: Convert to fraction form
    58,625.09/87,936.87 = 14,251.72/x
  3. Step 3: Cross multiply
    58,625.09x = 87,936.87 × 14,251.72
  4. Step 4: Simplify right side
    58,625.09x = 1,253,251,648.92
  5. Step 5: Solve for x
    x = 1,253,251,648.92/58,625.09
  6. Step 6: Final answer
    x = 21,377.39

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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.