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Finding the Fourth Proportional to 46.36, 69.27 and 30.04

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Solution

The fourth proportional to 46.36, 69.27 and 30.04 is: 44.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.36 : 69.27 = 30.04 : x
  2. Step 2: Convert to fraction form
    46.36/69.27 = 30.04/x
  3. Step 3: Cross multiply
    46.36x = 69.27 × 30.04
  4. Step 4: Simplify right side
    46.36x = 2,080.87
  5. Step 5: Solve for x
    x = 2,080.87/46.36
  6. Step 6: Final answer
    x = 44.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.