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Finding the Fourth Proportional to 41.36, 56.93 and 36.79

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Solution

The fourth proportional to 41.36, 56.93 and 36.79 is: 50.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.36 : 56.93 = 36.79 : x
  2. Step 2: Convert to fraction form
    41.36/56.93 = 36.79/x
  3. Step 3: Cross multiply
    41.36x = 56.93 × 36.79
  4. Step 4: Simplify right side
    41.36x = 2,094.13
  5. Step 5: Solve for x
    x = 2,094.13/41.36
  6. Step 6: Final answer
    x = 50.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.