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Finding the Fourth Proportional to 52.12, 71.73 and 46

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Solution

The fourth proportional to 52.12, 71.73 and 46 is: 63.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.12 : 71.73 = 46 : x
  2. Step 2: Convert to fraction form
    52.12/71.73 = 46/x
  3. Step 3: Cross multiply
    52.12x = 71.73 × 46
  4. Step 4: Simplify right side
    52.12x = 3,299.58
  5. Step 5: Solve for x
    x = 3,299.58/52.12
  6. Step 6: Final answer
    x = 63.31

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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.