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Finding the Fourth Proportional to 35.23, 48.61 and 24.31

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Solution

The fourth proportional to 35.23, 48.61 and 24.31 is: 33.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.23 : 48.61 = 24.31 : x
  2. Step 2: Convert to fraction form
    35.23/48.61 = 24.31/x
  3. Step 3: Cross multiply
    35.23x = 48.61 × 24.31
  4. Step 4: Simplify right side
    35.23x = 1,181.71
  5. Step 5: Solve for x
    x = 1,181.71/35.23
  6. Step 6: Final answer
    x = 33.54

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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.