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Finding the Fourth Proportional to 62.36, 93.56 and 40.73

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Solution

The fourth proportional to 62.36, 93.56 and 40.73 is: 61.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.36 : 93.56 = 40.73 : x
  2. Step 2: Convert to fraction form
    62.36/93.56 = 40.73/x
  3. Step 3: Cross multiply
    62.36x = 93.56 × 40.73
  4. Step 4: Simplify right side
    62.36x = 3,810.73
  5. Step 5: Solve for x
    x = 3,810.73/62.36
  6. Step 6: Final answer
    x = 61.11

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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.