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Finding the Fourth Proportional to 55.14, 76.06 and 32.14

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Solution

The fourth proportional to 55.14, 76.06 and 32.14 is: 44.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.14 : 76.06 = 32.14 : x
  2. Step 2: Convert to fraction form
    55.14/76.06 = 32.14/x
  3. Step 3: Cross multiply
    55.14x = 76.06 × 32.14
  4. Step 4: Simplify right side
    55.14x = 2,444.57
  5. Step 5: Solve for x
    x = 2,444.57/55.14
  6. Step 6: Final answer
    x = 44.33

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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.