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Finding the Fourth Proportional to 49,081, 67,731.96 and 26,725

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Solution

The fourth proportional to 49,081, 67,731.96 and 26,725 is: 36,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,081 : 67,731.96 = 26,725 : x
  2. Step 2: Convert to fraction form
    49,081/67,731.96 = 26,725/x
  3. Step 3: Cross multiply
    49,081x = 67,731.96 × 26,725
  4. Step 4: Simplify right side
    49,081x = 1,810,136,631.00
  5. Step 5: Solve for x
    x = 1,810,136,631.00/49,081
  6. Step 6: Final answer
    x = 36,880.60

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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.