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Finding the Fourth Proportional to 58,013.98, 87,029.31 and 22,003.68

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Solution

The fourth proportional to 58,013.98, 87,029.31 and 22,003.68 is: 33,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,013.98 : 87,029.31 = 22,003.68 : x
  2. Step 2: Convert to fraction form
    58,013.98/87,029.31 = 22,003.68/x
  3. Step 3: Cross multiply
    58,013.98x = 87,029.31 × 22,003.68
  4. Step 4: Simplify right side
    58,013.98x = 1,914,965,434.85
  5. Step 5: Solve for x
    x = 1,914,965,434.85/58,013.98
  6. Step 6: Final answer
    x = 33,008.69

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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.