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Finding the Fourth Proportional to 58.93, 81.41 and 50.73

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Solution

The fourth proportional to 58.93, 81.41 and 50.73 is: 70.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.93 : 81.41 = 50.73 : x
  2. Step 2: Convert to fraction form
    58.93/81.41 = 50.73/x
  3. Step 3: Cross multiply
    58.93x = 81.41 × 50.73
  4. Step 4: Simplify right side
    58.93x = 4,129.37
  5. Step 5: Solve for x
    x = 4,129.37/58.93
  6. Step 6: Final answer
    x = 70.08

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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.