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Finding the Fourth Proportional to 74.08, 110.97 and 37.95

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Solution

The fourth proportional to 74.08, 110.97 and 37.95 is: 56.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.08 : 110.97 = 37.95 : x
  2. Step 2: Convert to fraction form
    74.08/110.97 = 37.95/x
  3. Step 3: Cross multiply
    74.08x = 110.97 × 37.95
  4. Step 4: Simplify right side
    74.08x = 4,210.76
  5. Step 5: Solve for x
    x = 4,210.76/74.08
  6. Step 6: Final answer
    x = 56.84

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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.