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Finding the Fourth Proportional to 52.14, 71.94 and 32.46

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Solution

The fourth proportional to 52.14, 71.94 and 32.46 is: 44.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.14 : 71.94 = 32.46 : x
  2. Step 2: Convert to fraction form
    52.14/71.94 = 32.46/x
  3. Step 3: Cross multiply
    52.14x = 71.94 × 32.46
  4. Step 4: Simplify right side
    52.14x = 2,335.17
  5. Step 5: Solve for x
    x = 2,335.17/52.14
  6. Step 6: Final answer
    x = 44.79

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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.