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Finding the Fourth Proportional to 37.93, 52.37 and 25.65

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Solution

The fourth proportional to 37.93, 52.37 and 25.65 is: 35.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.93 : 52.37 = 25.65 : x
  2. Step 2: Convert to fraction form
    37.93/52.37 = 25.65/x
  3. Step 3: Cross multiply
    37.93x = 52.37 × 25.65
  4. Step 4: Simplify right side
    37.93x = 1,343.29
  5. Step 5: Solve for x
    x = 1,343.29/37.93
  6. Step 6: Final answer
    x = 35.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.