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Finding the Fourth Proportional to 59.01, 88.55 and 31.92

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Solution

The fourth proportional to 59.01, 88.55 and 31.92 is: 47.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.01 : 88.55 = 31.92 : x
  2. Step 2: Convert to fraction form
    59.01/88.55 = 31.92/x
  3. Step 3: Cross multiply
    59.01x = 88.55 × 31.92
  4. Step 4: Simplify right side
    59.01x = 2,826.52
  5. Step 5: Solve for x
    x = 2,826.52/59.01
  6. Step 6: Final answer
    x = 47.90

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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.