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Finding the Fourth Proportional to 23.91, 35.37 and 23.79

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Solution

The fourth proportional to 23.91, 35.37 and 23.79 is: 35.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.91 : 35.37 = 23.79 : x
  2. Step 2: Convert to fraction form
    23.91/35.37 = 23.79/x
  3. Step 3: Cross multiply
    23.91x = 35.37 × 23.79
  4. Step 4: Simplify right side
    23.91x = 841.45
  5. Step 5: Solve for x
    x = 841.45/23.91
  6. Step 6: Final answer
    x = 35.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.