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Finding the Fourth Proportional to 67.35, 92.93 and 48.96

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Solution

The fourth proportional to 67.35, 92.93 and 48.96 is: 67.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.35 : 92.93 = 48.96 : x
  2. Step 2: Convert to fraction form
    67.35/92.93 = 48.96/x
  3. Step 3: Cross multiply
    67.35x = 92.93 × 48.96
  4. Step 4: Simplify right side
    67.35x = 4,549.61
  5. Step 5: Solve for x
    x = 4,549.61/67.35
  6. Step 6: Final answer
    x = 67.55

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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.