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Finding the Fourth Proportional to 73.25, 110.00 and 47.64

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Solution

The fourth proportional to 73.25, 110.00 and 47.64 is: 71.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.25 : 110.00 = 47.64 : x
  2. Step 2: Convert to fraction form
    73.25/110.00 = 47.64/x
  3. Step 3: Cross multiply
    73.25x = 110.00 × 47.64
  4. Step 4: Simplify right side
    73.25x = 5,239.61
  5. Step 5: Solve for x
    x = 5,239.61/73.25
  6. Step 6: Final answer
    x = 71.53

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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.