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Finding the Fourth Proportional to 56.52, 84.84 and 32.48

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Solution

The fourth proportional to 56.52, 84.84 and 32.48 is: 48.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.52 : 84.84 = 32.48 : x
  2. Step 2: Convert to fraction form
    56.52/84.84 = 32.48/x
  3. Step 3: Cross multiply
    56.52x = 84.84 × 32.48
  4. Step 4: Simplify right side
    56.52x = 2,755.60
  5. Step 5: Solve for x
    x = 2,755.60/56.52
  6. Step 6: Final answer
    x = 48.75

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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.