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Finding the Fourth Proportional to 49,311, 68,049.18 and 26,955

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Solution

The fourth proportional to 49,311, 68,049.18 and 26,955 is: 37,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,311 : 68,049.18 = 26,955 : x
  2. Step 2: Convert to fraction form
    49,311/68,049.18 = 26,955/x
  3. Step 3: Cross multiply
    49,311x = 68,049.18 × 26,955
  4. Step 4: Simplify right side
    49,311x = 1,834,265,646.90
  5. Step 5: Solve for x
    x = 1,834,265,646.90/49,311
  6. Step 6: Final answer
    x = 37,197.90

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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.