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Finding the Fourth Proportional to 56.57, 84.86 and 24.50

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Solution

The fourth proportional to 56.57, 84.86 and 24.50 is: 36.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.57 : 84.86 = 24.50 : x
  2. Step 2: Convert to fraction form
    56.57/84.86 = 24.50/x
  3. Step 3: Cross multiply
    56.57x = 84.86 × 24.50
  4. Step 4: Simplify right side
    56.57x = 2,078.95
  5. Step 5: Solve for x
    x = 2,078.95/56.57
  6. Step 6: Final answer
    x = 36.75

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Why These Related Problems?

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