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Finding the Fourth Proportional to 35.36, 48.73 and 34.11

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Solution

The fourth proportional to 35.36, 48.73 and 34.11 is: 47.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.36 : 48.73 = 34.11 : x
  2. Step 2: Convert to fraction form
    35.36/48.73 = 34.11/x
  3. Step 3: Cross multiply
    35.36x = 48.73 × 34.11
  4. Step 4: Simplify right side
    35.36x = 1,662.18
  5. Step 5: Solve for x
    x = 1,662.18/35.36
  6. Step 6: Final answer
    x = 47.01

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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.