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Finding the Fourth Proportional to 55.14, 82.76 and 32.34

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Solution

The fourth proportional to 55.14, 82.76 and 32.34 is: 48.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.14 : 82.76 = 32.34 : x
  2. Step 2: Convert to fraction form
    55.14/82.76 = 32.34/x
  3. Step 3: Cross multiply
    55.14x = 82.76 × 32.34
  4. Step 4: Simplify right side
    55.14x = 2,676.46
  5. Step 5: Solve for x
    x = 2,676.46/55.14
  6. Step 6: Final answer
    x = 48.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.