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Finding the Fourth Proportional to 46.35, 69.12 and 44.46

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Solution

The fourth proportional to 46.35, 69.12 and 44.46 is: 66.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.35 : 69.12 = 44.46 : x
  2. Step 2: Convert to fraction form
    46.35/69.12 = 44.46/x
  3. Step 3: Cross multiply
    46.35x = 69.12 × 44.46
  4. Step 4: Simplify right side
    46.35x = 3,073.08
  5. Step 5: Solve for x
    x = 3,073.08/46.35
  6. Step 6: Final answer
    x = 66.30

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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.