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Finding the Fourth Proportional to 56.35, 84.45 and 24.31

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Solution

The fourth proportional to 56.35, 84.45 and 24.31 is: 36.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.35 : 84.45 = 24.31 : x
  2. Step 2: Convert to fraction form
    56.35/84.45 = 24.31/x
  3. Step 3: Cross multiply
    56.35x = 84.45 × 24.31
  4. Step 4: Simplify right side
    56.35x = 2,052.98
  5. Step 5: Solve for x
    x = 2,052.98/56.35
  6. Step 6: Final answer
    x = 36.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.