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Finding the Fourth Proportional to 36.42, 54.60 and 16.10

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Solution

The fourth proportional to 36.42, 54.60 and 16.10 is: 24.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.42 : 54.60 = 16.10 : x
  2. Step 2: Convert to fraction form
    36.42/54.60 = 16.10/x
  3. Step 3: Cross multiply
    36.42x = 54.60 × 16.10
  4. Step 4: Simplify right side
    36.42x = 879.06
  5. Step 5: Solve for x
    x = 879.06/36.42
  6. Step 6: Final answer
    x = 24.14

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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.