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Finding the Fourth Proportional to 59.34, 88.92 and 28.86

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Solution

The fourth proportional to 59.34, 88.92 and 28.86 is: 43.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.34 : 88.92 = 28.86 : x
  2. Step 2: Convert to fraction form
    59.34/88.92 = 28.86/x
  3. Step 3: Cross multiply
    59.34x = 88.92 × 28.86
  4. Step 4: Simplify right side
    59.34x = 2,566.23
  5. Step 5: Solve for x
    x = 2,566.23/59.34
  6. Step 6: Final answer
    x = 43.25

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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.