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Finding the Fourth Proportional to 37.95, 56.92 and 10.89

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Solution

The fourth proportional to 37.95, 56.92 and 10.89 is: 16.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.95 : 56.92 = 10.89 : x
  2. Step 2: Convert to fraction form
    37.95/56.92 = 10.89/x
  3. Step 3: Cross multiply
    37.95x = 56.92 × 10.89
  4. Step 4: Simplify right side
    37.95x = 619.80
  5. Step 5: Solve for x
    x = 619.80/37.95
  6. Step 6: Final answer
    x = 16.33

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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.