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Finding the Fourth Proportional to 67.94, 93.69 and 43.02

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Solution

The fourth proportional to 67.94, 93.69 and 43.02 is: 59.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.94 : 93.69 = 43.02 : x
  2. Step 2: Convert to fraction form
    67.94/93.69 = 43.02/x
  3. Step 3: Cross multiply
    67.94x = 93.69 × 43.02
  4. Step 4: Simplify right side
    67.94x = 4,030.54
  5. Step 5: Solve for x
    x = 4,030.54/67.94
  6. Step 6: Final answer
    x = 59.33

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