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Finding the Fourth Proportional to 62.22, 93.33 and 25.67

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Solution

The fourth proportional to 62.22, 93.33 and 25.67 is: 38.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.22 : 93.33 = 25.67 : x
  2. Step 2: Convert to fraction form
    62.22/93.33 = 25.67/x
  3. Step 3: Cross multiply
    62.22x = 93.33 × 25.67
  4. Step 4: Simplify right side
    62.22x = 2,395.31
  5. Step 5: Solve for x
    x = 2,395.31/62.22
  6. Step 6: Final answer
    x = 38.50

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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.