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Finding the Fourth Proportional to 58.54, 88.24 and 57.73

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Solution

The fourth proportional to 58.54, 88.24 and 57.73 is: 87.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.54 : 88.24 = 57.73 : x
  2. Step 2: Convert to fraction form
    58.54/88.24 = 57.73/x
  3. Step 3: Cross multiply
    58.54x = 88.24 × 57.73
  4. Step 4: Simplify right side
    58.54x = 5,093.65
  5. Step 5: Solve for x
    x = 5,093.65/58.54
  6. Step 6: Final answer
    x = 87.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.