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Finding the Fourth Proportional to 46.77, 69.75 and 44.49

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Solution

The fourth proportional to 46.77, 69.75 and 44.49 is: 66.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.77 : 69.75 = 44.49 : x
  2. Step 2: Convert to fraction form
    46.77/69.75 = 44.49/x
  3. Step 3: Cross multiply
    46.77x = 69.75 × 44.49
  4. Step 4: Simplify right side
    46.77x = 3,103.18
  5. Step 5: Solve for x
    x = 3,103.18/46.77
  6. Step 6: Final answer
    x = 66.35

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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.