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Finding the Fourth Proportional to 52.92, 79.37 and 16.83

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Solution

The fourth proportional to 52.92, 79.37 and 16.83 is: 25.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.92 : 79.37 = 16.83 : x
  2. Step 2: Convert to fraction form
    52.92/79.37 = 16.83/x
  3. Step 3: Cross multiply
    52.92x = 79.37 × 16.83
  4. Step 4: Simplify right side
    52.92x = 1,335.71
  5. Step 5: Solve for x
    x = 1,335.71/52.92
  6. Step 6: Final answer
    x = 25.24

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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.