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Finding the Fourth Proportional to 59.35, 88.60 and 58.92

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Solution

The fourth proportional to 59.35, 88.60 and 58.92 is: 87.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.35 : 88.60 = 58.92 : x
  2. Step 2: Convert to fraction form
    59.35/88.60 = 58.92/x
  3. Step 3: Cross multiply
    59.35x = 88.60 × 58.92
  4. Step 4: Simplify right side
    59.35x = 5,220.42
  5. Step 5: Solve for x
    x = 5,220.42/59.35
  6. Step 6: Final answer
    x = 87.97

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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.