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Finding the Fourth Proportional to 62.60, 93.66 and 60.98

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Solution

The fourth proportional to 62.60, 93.66 and 60.98 is: 91.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.60 : 93.66 = 60.98 : x
  2. Step 2: Convert to fraction form
    62.60/93.66 = 60.98/x
  3. Step 3: Cross multiply
    62.60x = 93.66 × 60.98
  4. Step 4: Simplify right side
    62.60x = 5,711.39
  5. Step 5: Solve for x
    x = 5,711.39/62.60
  6. Step 6: Final answer
    x = 91.24

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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.