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Finding the Fourth Proportional to 38.22, 52.59 and 37.08

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Solution

The fourth proportional to 38.22, 52.59 and 37.08 is: 51.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.22 : 52.59 = 37.08 : x
  2. Step 2: Convert to fraction form
    38.22/52.59 = 37.08/x
  3. Step 3: Cross multiply
    38.22x = 52.59 × 37.08
  4. Step 4: Simplify right side
    38.22x = 1,950.17
  5. Step 5: Solve for x
    x = 1,950.17/38.22
  6. Step 6: Final answer
    x = 51.02

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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.