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Finding the Fourth Proportional to 62.71, 94.05 and 26.68

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Solution

The fourth proportional to 62.71, 94.05 and 26.68 is: 40.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.71 : 94.05 = 26.68 : x
  2. Step 2: Convert to fraction form
    62.71/94.05 = 26.68/x
  3. Step 3: Cross multiply
    62.71x = 94.05 × 26.68
  4. Step 4: Simplify right side
    62.71x = 2,509.25
  5. Step 5: Solve for x
    x = 2,509.25/62.71
  6. Step 6: Final answer
    x = 40.01

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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.