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Finding the Fourth Proportional to 10.36, 14.37 and 10.11

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Solution

The fourth proportional to 10.36, 14.37 and 10.11 is: 14.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.36 : 14.37 = 10.11 : x
  2. Step 2: Convert to fraction form
    10.36/14.37 = 10.11/x
  3. Step 3: Cross multiply
    10.36x = 14.37 × 10.11
  4. Step 4: Simplify right side
    10.36x = 145.28
  5. Step 5: Solve for x
    x = 145.28/10.36
  6. Step 6: Final answer
    x = 14.02

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.