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Finding the Fourth Proportional to 48.88, 73.24 and 26.02

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Solution

The fourth proportional to 48.88, 73.24 and 26.02 is: 38.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.88 : 73.24 = 26.02 : x
  2. Step 2: Convert to fraction form
    48.88/73.24 = 26.02/x
  3. Step 3: Cross multiply
    48.88x = 73.24 × 26.02
  4. Step 4: Simplify right side
    48.88x = 1,905.70
  5. Step 5: Solve for x
    x = 1,905.70/48.88
  6. Step 6: Final answer
    x = 38.99

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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.