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Finding the Fourth Proportional to 46.50, 69.66 and 35.16

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Solution

The fourth proportional to 46.50, 69.66 and 35.16 is: 52.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.50 : 69.66 = 35.16 : x
  2. Step 2: Convert to fraction form
    46.50/69.66 = 35.16/x
  3. Step 3: Cross multiply
    46.50x = 69.66 × 35.16
  4. Step 4: Simplify right side
    46.50x = 2,449.25
  5. Step 5: Solve for x
    x = 2,449.25/46.50
  6. Step 6: Final answer
    x = 52.67

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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.