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Finding the Fourth Proportional to 62.26, 93.53 and 61.45

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Solution

The fourth proportional to 62.26, 93.53 and 61.45 is: 92.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.26 : 93.53 = 61.45 : x
  2. Step 2: Convert to fraction form
    62.26/93.53 = 61.45/x
  3. Step 3: Cross multiply
    62.26x = 93.53 × 61.45
  4. Step 4: Simplify right side
    62.26x = 5,747.42
  5. Step 5: Solve for x
    x = 5,747.42/62.26
  6. Step 6: Final answer
    x = 92.31

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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.