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Finding the Fourth Proportional to 62.24, 85.88 and 36.01

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Solution

The fourth proportional to 62.24, 85.88 and 36.01 is: 49.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.24 : 85.88 = 36.01 : x
  2. Step 2: Convert to fraction form
    62.24/85.88 = 36.01/x
  3. Step 3: Cross multiply
    62.24x = 85.88 × 36.01
  4. Step 4: Simplify right side
    62.24x = 3,092.74
  5. Step 5: Solve for x
    x = 3,092.74/62.24
  6. Step 6: Final answer
    x = 49.69

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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.