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Finding the Fourth Proportional to 37.96, 56.93 and 17.69

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Solution

The fourth proportional to 37.96, 56.93 and 17.69 is: 26.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.96 : 56.93 = 17.69 : x
  2. Step 2: Convert to fraction form
    37.96/56.93 = 17.69/x
  3. Step 3: Cross multiply
    37.96x = 56.93 × 17.69
  4. Step 4: Simplify right side
    37.96x = 1,006.72
  5. Step 5: Solve for x
    x = 1,006.72/37.96
  6. Step 6: Final answer
    x = 26.52

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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.