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Finding the Fourth Proportional to 23.33, 35.00 and 9.79

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Solution

The fourth proportional to 23.33, 35.00 and 9.79 is: 14.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.33 : 35.00 = 9.79 : x
  2. Step 2: Convert to fraction form
    23.33/35.00 = 9.79/x
  3. Step 3: Cross multiply
    23.33x = 35.00 × 9.79
  4. Step 4: Simplify right side
    23.33x = 342.60
  5. Step 5: Solve for x
    x = 342.60/23.33
  6. Step 6: Final answer
    x = 14.69

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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.