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Finding the Fourth Proportional to 46.15, 69.14 and 32.58

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Solution

The fourth proportional to 46.15, 69.14 and 32.58 is: 48.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.15 : 69.14 = 32.58 : x
  2. Step 2: Convert to fraction form
    46.15/69.14 = 32.58/x
  3. Step 3: Cross multiply
    46.15x = 69.14 × 32.58
  4. Step 4: Simplify right side
    46.15x = 2,252.66
  5. Step 5: Solve for x
    x = 2,252.66/46.15
  6. Step 6: Final answer
    x = 48.81

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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.