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Finding the Fourth Proportional to 46.02, 63.42 and 34.34

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Solution

The fourth proportional to 46.02, 63.42 and 34.34 is: 47.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.02 : 63.42 = 34.34 : x
  2. Step 2: Convert to fraction form
    46.02/63.42 = 34.34/x
  3. Step 3: Cross multiply
    46.02x = 63.42 × 34.34
  4. Step 4: Simplify right side
    46.02x = 2,178.07
  5. Step 5: Solve for x
    x = 2,178.07/46.02
  6. Step 6: Final answer
    x = 47.33

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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.