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Finding the Fourth Proportional to 10.93, 16.33 and 10.35

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Solution

The fourth proportional to 10.93, 16.33 and 10.35 is: 15.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.93 : 16.33 = 10.35 : x
  2. Step 2: Convert to fraction form
    10.93/16.33 = 10.35/x
  3. Step 3: Cross multiply
    10.93x = 16.33 × 10.35
  4. Step 4: Simplify right side
    10.93x = 169.02
  5. Step 5: Solve for x
    x = 169.02/10.93
  6. Step 6: Final answer
    x = 15.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.