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Finding the Fourth Proportional to 26.74, 40.06 and 16.58

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Solution

The fourth proportional to 26.74, 40.06 and 16.58 is: 24.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.74 : 40.06 = 16.58 : x
  2. Step 2: Convert to fraction form
    26.74/40.06 = 16.58/x
  3. Step 3: Cross multiply
    26.74x = 40.06 × 16.58
  4. Step 4: Simplify right side
    26.74x = 663.91
  5. Step 5: Solve for x
    x = 663.91/26.74
  6. Step 6: Final answer
    x = 24.83

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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.