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Finding the Fourth Proportional to 59.64, 89.97 and 59.52

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Solution

The fourth proportional to 59.64, 89.97 and 59.52 is: 89.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.64 : 89.97 = 59.52 : x
  2. Step 2: Convert to fraction form
    59.64/89.97 = 59.52/x
  3. Step 3: Cross multiply
    59.64x = 89.97 × 59.52
  4. Step 4: Simplify right side
    59.64x = 5,355.01
  5. Step 5: Solve for x
    x = 5,355.01/59.64
  6. Step 6: Final answer
    x = 89.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.