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Finding the Fourth Proportional to 62.95, 93.94 and 61.33

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Solution

The fourth proportional to 62.95, 93.94 and 61.33 is: 91.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.95 : 93.94 = 61.33 : x
  2. Step 2: Convert to fraction form
    62.95/93.94 = 61.33/x
  3. Step 3: Cross multiply
    62.95x = 93.94 × 61.33
  4. Step 4: Simplify right side
    62.95x = 5,761.06
  5. Step 5: Solve for x
    x = 5,761.06/62.95
  6. Step 6: Final answer
    x = 91.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.