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Finding the Fourth Proportional to 67.01, 92.44 and 60.40

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Solution

The fourth proportional to 67.01, 92.44 and 60.40 is: 83.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.01 : 92.44 = 60.40 : x
  2. Step 2: Convert to fraction form
    67.01/92.44 = 60.40/x
  3. Step 3: Cross multiply
    67.01x = 92.44 × 60.40
  4. Step 4: Simplify right side
    67.01x = 5,583.31
  5. Step 5: Solve for x
    x = 5,583.31/67.01
  6. Step 6: Final answer
    x = 83.32

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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.