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Finding the Fourth Proportional to 62.47, 93.75 and 61.93

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Solution

The fourth proportional to 62.47, 93.75 and 61.93 is: 92.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.47 : 93.75 = 61.93 : x
  2. Step 2: Convert to fraction form
    62.47/93.75 = 61.93/x
  3. Step 3: Cross multiply
    62.47x = 93.75 × 61.93
  4. Step 4: Simplify right side
    62.47x = 5,805.94
  5. Step 5: Solve for x
    x = 5,805.94/62.47
  6. Step 6: Final answer
    x = 92.94

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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.