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Finding the Fourth Proportional to 48.98, 67.59 and 32.59

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Solution

The fourth proportional to 48.98, 67.59 and 32.59 is: 44.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.98 : 67.59 = 32.59 : x
  2. Step 2: Convert to fraction form
    48.98/67.59 = 32.59/x
  3. Step 3: Cross multiply
    48.98x = 67.59 × 32.59
  4. Step 4: Simplify right side
    48.98x = 2,202.76
  5. Step 5: Solve for x
    x = 2,202.76/48.98
  6. Step 6: Final answer
    x = 44.97

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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.