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Finding the Fourth Proportional to 38.01, 56.82 and 26.52

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Solution

The fourth proportional to 38.01, 56.82 and 26.52 is: 39.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.01 : 56.82 = 26.52 : x
  2. Step 2: Convert to fraction form
    38.01/56.82 = 26.52/x
  3. Step 3: Cross multiply
    38.01x = 56.82 × 26.52
  4. Step 4: Simplify right side
    38.01x = 1,506.87
  5. Step 5: Solve for x
    x = 1,506.87/38.01
  6. Step 6: Final answer
    x = 39.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.