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Finding the Fourth Proportional to 67.97, 93.78 and 46.10

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Solution

The fourth proportional to 67.97, 93.78 and 46.10 is: 63.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.97 : 93.78 = 46.10 : x
  2. Step 2: Convert to fraction form
    67.97/93.78 = 46.10/x
  3. Step 3: Cross multiply
    67.97x = 93.78 × 46.10
  4. Step 4: Simplify right side
    67.97x = 4,322.79
  5. Step 5: Solve for x
    x = 4,322.79/67.97
  6. Step 6: Final answer
    x = 63.60

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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.