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Finding the Fourth Proportional to 46.58, 69.77 and 23.68

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Solution

The fourth proportional to 46.58, 69.77 and 23.68 is: 35.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.58 : 69.77 = 23.68 : x
  2. Step 2: Convert to fraction form
    46.58/69.77 = 23.68/x
  3. Step 3: Cross multiply
    46.58x = 69.77 × 23.68
  4. Step 4: Simplify right side
    46.58x = 1,652.04
  5. Step 5: Solve for x
    x = 1,652.04/46.58
  6. Step 6: Final answer
    x = 35.47

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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.