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Finding the Fourth Proportional to 46.59, 69.77 and 36.92

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Solution

The fourth proportional to 46.59, 69.77 and 36.92 is: 55.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.59 : 69.77 = 36.92 : x
  2. Step 2: Convert to fraction form
    46.59/69.77 = 36.92/x
  3. Step 3: Cross multiply
    46.59x = 69.77 × 36.92
  4. Step 4: Simplify right side
    46.59x = 2,575.37
  5. Step 5: Solve for x
    x = 2,575.37/46.59
  6. Step 6: Final answer
    x = 55.28

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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.