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Finding the Fourth Proportional to 59.22, 88.73 and 53.16

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Solution

The fourth proportional to 59.22, 88.73 and 53.16 is: 79.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.22 : 88.73 = 53.16 : x
  2. Step 2: Convert to fraction form
    59.22/88.73 = 53.16/x
  3. Step 3: Cross multiply
    59.22x = 88.73 × 53.16
  4. Step 4: Simplify right side
    59.22x = 4,716.62
  5. Step 5: Solve for x
    x = 4,716.62/59.22
  6. Step 6: Final answer
    x = 79.65

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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.