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Finding the Fourth Proportional to 55.04, 82.44 and 32.14

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Solution

The fourth proportional to 55.04, 82.44 and 32.14 is: 48.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.04 : 82.44 = 32.14 : x
  2. Step 2: Convert to fraction form
    55.04/82.44 = 32.14/x
  3. Step 3: Cross multiply
    55.04x = 82.44 × 32.14
  4. Step 4: Simplify right side
    55.04x = 2,649.72
  5. Step 5: Solve for x
    x = 2,649.72/55.04
  6. Step 6: Final answer
    x = 48.15

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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.