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Finding the Fourth Proportional to 79.74, 110.03 and 46.98

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Solution

The fourth proportional to 79.74, 110.03 and 46.98 is: 64.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.74 : 110.03 = 46.98 : x
  2. Step 2: Convert to fraction form
    79.74/110.03 = 46.98/x
  3. Step 3: Cross multiply
    79.74x = 110.03 × 46.98
  4. Step 4: Simplify right side
    79.74x = 5,168.97
  5. Step 5: Solve for x
    x = 5,168.97/79.74
  6. Step 6: Final answer
    x = 64.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.