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Finding the Fourth Proportional to 59.13, 88.69 and 16.38

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Solution

The fourth proportional to 59.13, 88.69 and 16.38 is: 24.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.13 : 88.69 = 16.38 : x
  2. Step 2: Convert to fraction form
    59.13/88.69 = 16.38/x
  3. Step 3: Cross multiply
    59.13x = 88.69 × 16.38
  4. Step 4: Simplify right side
    59.13x = 1,452.74
  5. Step 5: Solve for x
    x = 1,452.74/59.13
  6. Step 6: Final answer
    x = 24.57

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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.