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Finding the Fourth Proportional to 67.59, 93.31 and 43.06

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Solution

The fourth proportional to 67.59, 93.31 and 43.06 is: 59.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.59 : 93.31 = 43.06 : x
  2. Step 2: Convert to fraction form
    67.59/93.31 = 43.06/x
  3. Step 3: Cross multiply
    67.59x = 93.31 × 43.06
  4. Step 4: Simplify right side
    67.59x = 4,017.93
  5. Step 5: Solve for x
    x = 4,017.93/67.59
  6. Step 6: Final answer
    x = 59.45

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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.