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Finding the Fourth Proportional to 15.94, 23.86 and 10.59

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Solution

The fourth proportional to 15.94, 23.86 and 10.59 is: 15.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.94 : 23.86 = 10.59 : x
  2. Step 2: Convert to fraction form
    15.94/23.86 = 10.59/x
  3. Step 3: Cross multiply
    15.94x = 23.86 × 10.59
  4. Step 4: Simplify right side
    15.94x = 252.68
  5. Step 5: Solve for x
    x = 252.68/15.94
  6. Step 6: Final answer
    x = 15.85

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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.