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Finding the Fourth Proportional to 116.57, 174.84 and 39.52

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Solution

The fourth proportional to 116.57, 174.84 and 39.52 is: 59.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.57 : 174.84 = 39.52 : x
  2. Step 2: Convert to fraction form
    116.57/174.84 = 39.52/x
  3. Step 3: Cross multiply
    116.57x = 174.84 × 39.52
  4. Step 4: Simplify right side
    116.57x = 6,909.75
  5. Step 5: Solve for x
    x = 6,909.75/116.57
  6. Step 6: Final answer
    x = 59.27

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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.