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Finding the Fourth Proportional to 46.01, 69.06 and 26.79

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Solution

The fourth proportional to 46.01, 69.06 and 26.79 is: 40.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.01 : 69.06 = 26.79 : x
  2. Step 2: Convert to fraction form
    46.01/69.06 = 26.79/x
  3. Step 3: Cross multiply
    46.01x = 69.06 × 26.79
  4. Step 4: Simplify right side
    46.01x = 1,850.12
  5. Step 5: Solve for x
    x = 1,850.12/46.01
  6. Step 6: Final answer
    x = 40.21

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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.