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Finding the Fourth Proportional to 60.50, 83.61 and 46.67

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Solution

The fourth proportional to 60.50, 83.61 and 46.67 is: 64.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.50 : 83.61 = 46.67 : x
  2. Step 2: Convert to fraction form
    60.50/83.61 = 46.67/x
  3. Step 3: Cross multiply
    60.50x = 83.61 × 46.67
  4. Step 4: Simplify right side
    60.50x = 3,901.66
  5. Step 5: Solve for x
    x = 3,901.66/60.50
  6. Step 6: Final answer
    x = 64.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.