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Finding the Fourth Proportional to 10.93, 16.41 and 4.92

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Solution

The fourth proportional to 10.93, 16.41 and 4.92 is: 7.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.93 : 16.41 = 4.92 : x
  2. Step 2: Convert to fraction form
    10.93/16.41 = 4.92/x
  3. Step 3: Cross multiply
    10.93x = 16.41 × 4.92
  4. Step 4: Simplify right side
    10.93x = 80.74
  5. Step 5: Solve for x
    x = 80.74/10.93
  6. Step 6: Final answer
    x = 7.39

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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.