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Finding the Fourth Proportional to 59.72, 89.62 and 34.08

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Solution

The fourth proportional to 59.72, 89.62 and 34.08 is: 51.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.72 : 89.62 = 34.08 : x
  2. Step 2: Convert to fraction form
    59.72/89.62 = 34.08/x
  3. Step 3: Cross multiply
    59.72x = 89.62 × 34.08
  4. Step 4: Simplify right side
    59.72x = 3,054.25
  5. Step 5: Solve for x
    x = 3,054.25/59.72
  6. Step 6: Final answer
    x = 51.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.