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Finding the Fourth Proportional to 35.27, 48.63 and 23.43

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Solution

The fourth proportional to 35.27, 48.63 and 23.43 is: 32.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.27 : 48.63 = 23.43 : x
  2. Step 2: Convert to fraction form
    35.27/48.63 = 23.43/x
  3. Step 3: Cross multiply
    35.27x = 48.63 × 23.43
  4. Step 4: Simplify right side
    35.27x = 1,139.49
  5. Step 5: Solve for x
    x = 1,139.49/35.27
  6. Step 6: Final answer
    x = 32.31

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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.