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Finding the Fourth Proportional to 60.17, 90.08 and 46.67

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Solution

The fourth proportional to 60.17, 90.08 and 46.67 is: 69.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.17 : 90.08 = 46.67 : x
  2. Step 2: Convert to fraction form
    60.17/90.08 = 46.67/x
  3. Step 3: Cross multiply
    60.17x = 90.08 × 46.67
  4. Step 4: Simplify right side
    60.17x = 4,203.93
  5. Step 5: Solve for x
    x = 4,203.93/60.17
  6. Step 6: Final answer
    x = 69.87

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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.