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Finding the Fourth Proportional to 37.67, 56.50 and 14.85

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Solution

The fourth proportional to 37.67, 56.50 and 14.85 is: 22.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.67 : 56.50 = 14.85 : x
  2. Step 2: Convert to fraction form
    37.67/56.50 = 14.85/x
  3. Step 3: Cross multiply
    37.67x = 56.50 × 14.85
  4. Step 4: Simplify right side
    37.67x = 838.99
  5. Step 5: Solve for x
    x = 838.99/37.67
  6. Step 6: Final answer
    x = 22.28

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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.