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Finding the Fourth Proportional to 62.99, 94.50 and 26.42

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Solution

The fourth proportional to 62.99, 94.50 and 26.42 is: 39.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.99 : 94.50 = 26.42 : x
  2. Step 2: Convert to fraction form
    62.99/94.50 = 26.42/x
  3. Step 3: Cross multiply
    62.99x = 94.50 × 26.42
  4. Step 4: Simplify right side
    62.99x = 2,496.69
  5. Step 5: Solve for x
    x = 2,496.69/62.99
  6. Step 6: Final answer
    x = 39.64

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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.