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Finding the Fourth Proportional to 73.58, 110.27 and 46.48

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Solution

The fourth proportional to 73.58, 110.27 and 46.48 is: 69.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.58 : 110.27 = 46.48 : x
  2. Step 2: Convert to fraction form
    73.58/110.27 = 46.48/x
  3. Step 3: Cross multiply
    73.58x = 110.27 × 46.48
  4. Step 4: Simplify right side
    73.58x = 5,125.35
  5. Step 5: Solve for x
    x = 5,125.35/73.58
  6. Step 6: Final answer
    x = 69.66

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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.