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Finding the Fourth Proportional to 26.18, 36.16 and 23.62

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Solution

The fourth proportional to 26.18, 36.16 and 23.62 is: 32.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.18 : 36.16 = 23.62 : x
  2. Step 2: Convert to fraction form
    26.18/36.16 = 23.62/x
  3. Step 3: Cross multiply
    26.18x = 36.16 × 23.62
  4. Step 4: Simplify right side
    26.18x = 854.10
  5. Step 5: Solve for x
    x = 854.10/26.18
  6. Step 6: Final answer
    x = 32.62

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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.