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Finding the Fourth Proportional to 35.48, 48.92 and 23.04

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Solution

The fourth proportional to 35.48, 48.92 and 23.04 is: 31.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.48 : 48.92 = 23.04 : x
  2. Step 2: Convert to fraction form
    35.48/48.92 = 23.04/x
  3. Step 3: Cross multiply
    35.48x = 48.92 × 23.04
  4. Step 4: Simplify right side
    35.48x = 1,127.12
  5. Step 5: Solve for x
    x = 1,127.12/35.48
  6. Step 6: Final answer
    x = 31.77

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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.