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Finding the Fourth Proportional to 49,243, 67,956.78 and 26,888.44

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Solution

The fourth proportional to 49,243, 67,956.78 and 26,888.44 is: 37,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,243 : 67,956.78 = 26,888.44 : x
  2. Step 2: Convert to fraction form
    49,243/67,956.78 = 26,888.44/x
  3. Step 3: Cross multiply
    49,243x = 67,956.78 × 26,888.44
  4. Step 4: Simplify right side
    49,243x = 1,827,251,801.62
  5. Step 5: Solve for x
    x = 1,827,251,801.62/49,243
  6. Step 6: Final answer
    x = 37,106.83

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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.