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Finding the Fourth Proportional to 70.59, 105.88 and 24.94

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Solution

The fourth proportional to 70.59, 105.88 and 24.94 is: 37.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.59 : 105.88 = 24.94 : x
  2. Step 2: Convert to fraction form
    70.59/105.88 = 24.94/x
  3. Step 3: Cross multiply
    70.59x = 105.88 × 24.94
  4. Step 4: Simplify right side
    70.59x = 2,640.65
  5. Step 5: Solve for x
    x = 2,640.65/70.59
  6. Step 6: Final answer
    x = 37.41

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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.