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Finding the Fourth Proportional to 67.55, 93.10 and 46.82

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Solution

The fourth proportional to 67.55, 93.10 and 46.82 is: 64.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.55 : 93.10 = 46.82 : x
  2. Step 2: Convert to fraction form
    67.55/93.10 = 46.82/x
  3. Step 3: Cross multiply
    67.55x = 93.10 × 46.82
  4. Step 4: Simplify right side
    67.55x = 4,358.49
  5. Step 5: Solve for x
    x = 4,358.49/67.55
  6. Step 6: Final answer
    x = 64.53

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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.