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Finding the Fourth Proportional to 37.67, 56.48 and 15.99

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Solution

The fourth proportional to 37.67, 56.48 and 15.99 is: 23.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.67 : 56.48 = 15.99 : x
  2. Step 2: Convert to fraction form
    37.67/56.48 = 15.99/x
  3. Step 3: Cross multiply
    37.67x = 56.48 × 15.99
  4. Step 4: Simplify right side
    37.67x = 903.10
  5. Step 5: Solve for x
    x = 903.10/37.67
  6. Step 6: Final answer
    x = 23.97

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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.