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Finding the Fourth Proportional to 48.86, 73.32 and 23.17

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Solution

The fourth proportional to 48.86, 73.32 and 23.17 is: 34.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.86 : 73.32 = 23.17 : x
  2. Step 2: Convert to fraction form
    48.86/73.32 = 23.17/x
  3. Step 3: Cross multiply
    48.86x = 73.32 × 23.17
  4. Step 4: Simplify right side
    48.86x = 1,698.34
  5. Step 5: Solve for x
    x = 1,698.34/48.86
  6. Step 6: Final answer
    x = 34.76

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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.