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Finding the Fourth Proportional to 59.67, 89.55 and 29.25

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Solution

The fourth proportional to 59.67, 89.55 and 29.25 is: 43.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.67 : 89.55 = 29.25 : x
  2. Step 2: Convert to fraction form
    59.67/89.55 = 29.25/x
  3. Step 3: Cross multiply
    59.67x = 89.55 × 29.25
  4. Step 4: Simplify right side
    59.67x = 2,619.34
  5. Step 5: Solve for x
    x = 2,619.34/59.67
  6. Step 6: Final answer
    x = 43.90

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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.