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Finding the Fourth Proportional to 62.76, 94.10 and 62.76

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Solution

The fourth proportional to 62.76, 94.10 and 62.76 is: 94.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.76 : 94.10 = 62.76 : x
  2. Step 2: Convert to fraction form
    62.76/94.10 = 62.76/x
  3. Step 3: Cross multiply
    62.76x = 94.10 × 62.76
  4. Step 4: Simplify right side
    62.76x = 5,905.72
  5. Step 5: Solve for x
    x = 5,905.72/62.76
  6. Step 6: Final answer
    x = 94.10

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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.