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Finding the Fourth Proportional to 58.52, 80.68 and 43.94

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Solution

The fourth proportional to 58.52, 80.68 and 43.94 is: 60.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.52 : 80.68 = 43.94 : x
  2. Step 2: Convert to fraction form
    58.52/80.68 = 43.94/x
  3. Step 3: Cross multiply
    58.52x = 80.68 × 43.94
  4. Step 4: Simplify right side
    58.52x = 3,545.08
  5. Step 5: Solve for x
    x = 3,545.08/58.52
  6. Step 6: Final answer
    x = 60.58

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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.