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Finding the Fourth Proportional to 35.25, 48.60 and 24.86

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Solution

The fourth proportional to 35.25, 48.60 and 24.86 is: 34.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.25 : 48.60 = 24.86 : x
  2. Step 2: Convert to fraction form
    35.25/48.60 = 24.86/x
  3. Step 3: Cross multiply
    35.25x = 48.60 × 24.86
  4. Step 4: Simplify right side
    35.25x = 1,208.04
  5. Step 5: Solve for x
    x = 1,208.04/35.25
  6. Step 6: Final answer
    x = 34.27

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Why These Related Problems?

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