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Finding the Fourth Proportional to 46.52, 69.80 and 16.11

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Solution

The fourth proportional to 46.52, 69.80 and 16.11 is: 24.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.52 : 69.80 = 16.11 : x
  2. Step 2: Convert to fraction form
    46.52/69.80 = 16.11/x
  3. Step 3: Cross multiply
    46.52x = 69.80 × 16.11
  4. Step 4: Simplify right side
    46.52x = 1,124.40
  5. Step 5: Solve for x
    x = 1,124.40/46.52
  6. Step 6: Final answer
    x = 24.17

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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.