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Finding the Fourth Proportional to 49.54, 74.25 and 26.69

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Solution

The fourth proportional to 49.54, 74.25 and 26.69 is: 40.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.54 : 74.25 = 26.69 : x
  2. Step 2: Convert to fraction form
    49.54/74.25 = 26.69/x
  3. Step 3: Cross multiply
    49.54x = 74.25 × 26.69
  4. Step 4: Simplify right side
    49.54x = 1,981.73
  5. Step 5: Solve for x
    x = 1,981.73/49.54
  6. Step 6: Final answer
    x = 40.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.