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Finding the Fourth Proportional to 58.24, 87.37 and 25.73

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Solution

The fourth proportional to 58.24, 87.37 and 25.73 is: 38.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.24 : 87.37 = 25.73 : x
  2. Step 2: Convert to fraction form
    58.24/87.37 = 25.73/x
  3. Step 3: Cross multiply
    58.24x = 87.37 × 25.73
  4. Step 4: Simplify right side
    58.24x = 2,248.00
  5. Step 5: Solve for x
    x = 2,248.00/58.24
  6. Step 6: Final answer
    x = 38.60

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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.