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Finding the Fourth Proportional to 46.37, 63.99 and 36.69

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Solution

The fourth proportional to 46.37, 63.99 and 36.69 is: 50.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.37 : 63.99 = 36.69 : x
  2. Step 2: Convert to fraction form
    46.37/63.99 = 36.69/x
  3. Step 3: Cross multiply
    46.37x = 63.99 × 36.69
  4. Step 4: Simplify right side
    46.37x = 2,347.79
  5. Step 5: Solve for x
    x = 2,347.79/46.37
  6. Step 6: Final answer
    x = 50.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.