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Finding the Fourth Proportional to 37.91, 52.22 and 35.03

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Solution

The fourth proportional to 37.91, 52.22 and 35.03 is: 48.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.91 : 52.22 = 35.03 : x
  2. Step 2: Convert to fraction form
    37.91/52.22 = 35.03/x
  3. Step 3: Cross multiply
    37.91x = 52.22 × 35.03
  4. Step 4: Simplify right side
    37.91x = 1,828.83
  5. Step 5: Solve for x
    x = 1,828.83/37.91
  6. Step 6: Final answer
    x = 48.24

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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.