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Finding the Fourth Proportional to 59.24, 88.82 and 18.64

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Solution

The fourth proportional to 59.24, 88.82 and 18.64 is: 27.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.24 : 88.82 = 18.64 : x
  2. Step 2: Convert to fraction form
    59.24/88.82 = 18.64/x
  3. Step 3: Cross multiply
    59.24x = 88.82 × 18.64
  4. Step 4: Simplify right side
    59.24x = 1,655.16
  5. Step 5: Solve for x
    x = 1,655.16/59.24
  6. Step 6: Final answer
    x = 27.94

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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.