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Finding the Fourth Proportional to 49,211.50, 67,913.50 and 26,855.50

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Solution

The fourth proportional to 49,211.50, 67,913.50 and 26,855.50 is: 37,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211.50 : 67,913.50 = 26,855.50 : x
  2. Step 2: Convert to fraction form
    49,211.50/67,913.50 = 26,855.50/x
  3. Step 3: Cross multiply
    49,211.50x = 67,913.50 × 26,855.50
  4. Step 4: Simplify right side
    49,211.50x = 1,823,850,999.25
  5. Step 5: Solve for x
    x = 1,823,850,999.25/49,211.50
  6. Step 6: Final answer
    x = 37,061.48

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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.