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Finding the Fourth Proportional to 116.47, 174.64 and 35.29

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Solution

The fourth proportional to 116.47, 174.64 and 35.29 is: 52.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.47 : 174.64 = 35.29 : x
  2. Step 2: Convert to fraction form
    116.47/174.64 = 35.29/x
  3. Step 3: Cross multiply
    116.47x = 174.64 × 35.29
  4. Step 4: Simplify right side
    116.47x = 6,162.17
  5. Step 5: Solve for x
    x = 6,162.17/116.47
  6. Step 6: Final answer
    x = 52.91

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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.