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Finding the Fourth Proportional to 48.44, 72.59 and 25.58

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Solution

The fourth proportional to 48.44, 72.59 and 25.58 is: 38.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.44 : 72.59 = 25.58 : x
  2. Step 2: Convert to fraction form
    48.44/72.59 = 25.58/x
  3. Step 3: Cross multiply
    48.44x = 72.59 × 25.58
  4. Step 4: Simplify right side
    48.44x = 1,856.36
  5. Step 5: Solve for x
    x = 1,856.36/48.44
  6. Step 6: Final answer
    x = 38.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.