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Finding the Fourth Proportional to 35.52, 48.89 and 29.37

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Solution

The fourth proportional to 35.52, 48.89 and 29.37 is: 40.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.52 : 48.89 = 29.37 : x
  2. Step 2: Convert to fraction form
    35.52/48.89 = 29.37/x
  3. Step 3: Cross multiply
    35.52x = 48.89 × 29.37
  4. Step 4: Simplify right side
    35.52x = 1,435.65
  5. Step 5: Solve for x
    x = 1,435.65/35.52
  6. Step 6: Final answer
    x = 40.42

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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.