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Finding the Fourth Proportional to 46.10, 69.16 and 22.05

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Solution

The fourth proportional to 46.10, 69.16 and 22.05 is: 33.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.10 : 69.16 = 22.05 : x
  2. Step 2: Convert to fraction form
    46.10/69.16 = 22.05/x
  3. Step 3: Cross multiply
    46.10x = 69.16 × 22.05
  4. Step 4: Simplify right side
    46.10x = 1,524.98
  5. Step 5: Solve for x
    x = 1,524.98/46.10
  6. Step 6: Final answer
    x = 33.08

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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.