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Finding the Fourth Proportional to 73.16, 100.94 and 46.94

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Solution

The fourth proportional to 73.16, 100.94 and 46.94 is: 64.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.16 : 100.94 = 46.94 : x
  2. Step 2: Convert to fraction form
    73.16/100.94 = 46.94/x
  3. Step 3: Cross multiply
    73.16x = 100.94 × 46.94
  4. Step 4: Simplify right side
    73.16x = 4,738.01
  5. Step 5: Solve for x
    x = 4,738.01/73.16
  6. Step 6: Final answer
    x = 64.76

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Why These Related Problems?

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