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Finding the Fourth Proportional to 62.68, 94.07 and 46.69

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Solution

The fourth proportional to 62.68, 94.07 and 46.69 is: 70.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.68 : 94.07 = 46.69 : x
  2. Step 2: Convert to fraction form
    62.68/94.07 = 46.69/x
  3. Step 3: Cross multiply
    62.68x = 94.07 × 46.69
  4. Step 4: Simplify right side
    62.68x = 4,391.89
  5. Step 5: Solve for x
    x = 4,391.89/62.68
  6. Step 6: Final answer
    x = 70.07

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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.