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Finding the Fourth Proportional to 58.92, 88.24 and 28.44

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Solution

The fourth proportional to 58.92, 88.24 and 28.44 is: 42.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.92 : 88.24 = 28.44 : x
  2. Step 2: Convert to fraction form
    58.92/88.24 = 28.44/x
  3. Step 3: Cross multiply
    58.92x = 88.24 × 28.44
  4. Step 4: Simplify right side
    58.92x = 2,509.55
  5. Step 5: Solve for x
    x = 2,509.55/58.92
  6. Step 6: Final answer
    x = 42.59

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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.