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Finding the Fourth Proportional to 55.93, 83.75 and 34.24

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Solution

The fourth proportional to 55.93, 83.75 and 34.24 is: 51.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.93 : 83.75 = 34.24 : x
  2. Step 2: Convert to fraction form
    55.93/83.75 = 34.24/x
  3. Step 3: Cross multiply
    55.93x = 83.75 × 34.24
  4. Step 4: Simplify right side
    55.93x = 2,867.60
  5. Step 5: Solve for x
    x = 2,867.60/55.93
  6. Step 6: Final answer
    x = 51.27

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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.