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Finding the Fourth Proportional to 4,600.71, 6,901.11 and 1,137.96

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Solution

The fourth proportional to 4,600.71, 6,901.11 and 1,137.96 is: 1,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.71 : 6,901.11 = 1,137.96 : x
  2. Step 2: Convert to fraction form
    4,600.71/6,901.11 = 1,137.96/x
  3. Step 3: Cross multiply
    4,600.71x = 6,901.11 × 1,137.96
  4. Step 4: Simplify right side
    4,600.71x = 7,853,187.14
  5. Step 5: Solve for x
    x = 7,853,187.14/4,600.71
  6. Step 6: Final answer
    x = 1,706.95

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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.