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Finding the Fourth Proportional to 37.83, 56.96 and 34.69

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Solution

The fourth proportional to 37.83, 56.96 and 34.69 is: 52.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.83 : 56.96 = 34.69 : x
  2. Step 2: Convert to fraction form
    37.83/56.96 = 34.69/x
  3. Step 3: Cross multiply
    37.83x = 56.96 × 34.69
  4. Step 4: Simplify right side
    37.83x = 1,975.77
  5. Step 5: Solve for x
    x = 1,975.77/37.83
  6. Step 6: Final answer
    x = 52.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.