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Finding the Fourth Proportional to 59.63, 82.27 and 36.31

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Solution

The fourth proportional to 59.63, 82.27 and 36.31 is: 50.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.63 : 82.27 = 36.31 : x
  2. Step 2: Convert to fraction form
    59.63/82.27 = 36.31/x
  3. Step 3: Cross multiply
    59.63x = 82.27 × 36.31
  4. Step 4: Simplify right side
    59.63x = 2,987.22
  5. Step 5: Solve for x
    x = 2,987.22/59.63
  6. Step 6: Final answer
    x = 50.10

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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.