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Finding the Fourth Proportional to 59.97, 89.87 and 29.46

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Solution

The fourth proportional to 59.97, 89.87 and 29.46 is: 44.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.97 : 89.87 = 29.46 : x
  2. Step 2: Convert to fraction form
    59.97/89.87 = 29.46/x
  3. Step 3: Cross multiply
    59.97x = 89.87 × 29.46
  4. Step 4: Simplify right side
    59.97x = 2,647.42
  5. Step 5: Solve for x
    x = 2,647.42/59.97
  6. Step 6: Final answer
    x = 44.15

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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.