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Finding the Fourth Proportional to 46.30, 69.46 and 36.08

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Solution

The fourth proportional to 46.30, 69.46 and 36.08 is: 54.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.30 : 69.46 = 36.08 : x
  2. Step 2: Convert to fraction form
    46.30/69.46 = 36.08/x
  3. Step 3: Cross multiply
    46.30x = 69.46 × 36.08
  4. Step 4: Simplify right side
    46.30x = 2,506.12
  5. Step 5: Solve for x
    x = 2,506.12/46.30
  6. Step 6: Final answer
    x = 54.13

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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.