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Finding the Fourth Proportional to 62.34, 93.52 and 52.22

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Solution

The fourth proportional to 62.34, 93.52 and 52.22 is: 78.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.34 : 93.52 = 52.22 : x
  2. Step 2: Convert to fraction form
    62.34/93.52 = 52.22/x
  3. Step 3: Cross multiply
    62.34x = 93.52 × 52.22
  4. Step 4: Simplify right side
    62.34x = 4,883.61
  5. Step 5: Solve for x
    x = 4,883.61/62.34
  6. Step 6: Final answer
    x = 78.34

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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.