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Finding the Fourth Proportional to 62.12, 92.93 and 58.48

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Solution

The fourth proportional to 62.12, 92.93 and 58.48 is: 87.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.12 : 92.93 = 58.48 : x
  2. Step 2: Convert to fraction form
    62.12/92.93 = 58.48/x
  3. Step 3: Cross multiply
    62.12x = 92.93 × 58.48
  4. Step 4: Simplify right side
    62.12x = 5,434.55
  5. Step 5: Solve for x
    x = 5,434.55/62.12
  6. Step 6: Final answer
    x = 87.48

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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.