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Finding the Fourth Proportional to 55.04, 82.24 and 50.93

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Solution

The fourth proportional to 55.04, 82.24 and 50.93 is: 76.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.04 : 82.24 = 50.93 : x
  2. Step 2: Convert to fraction form
    55.04/82.24 = 50.93/x
  3. Step 3: Cross multiply
    55.04x = 82.24 × 50.93
  4. Step 4: Simplify right side
    55.04x = 4,188.48
  5. Step 5: Solve for x
    x = 4,188.48/55.04
  6. Step 6: Final answer
    x = 76.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.