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Finding the Fourth Proportional to 49,712.80, 68,603.98 and 27,051.98

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Solution

The fourth proportional to 49,712.80, 68,603.98 and 27,051.98 is: 37,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,712.80 : 68,603.98 = 27,051.98 : x
  2. Step 2: Convert to fraction form
    49,712.80/68,603.98 = 27,051.98/x
  3. Step 3: Cross multiply
    49,712.80x = 68,603.98 × 27,051.98
  4. Step 4: Simplify right side
    49,712.80x = 1,855,873,494.88
  5. Step 5: Solve for x
    x = 1,855,873,494.88/49,712.80
  6. Step 6: Final answer
    x = 37,331.90

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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.