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Finding the Fourth Proportional to 8,599.85, 12,901.11 and 3,669.50

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Solution

The fourth proportional to 8,599.85, 12,901.11 and 3,669.50 is: 5,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.85 : 12,901.11 = 3,669.50 : x
  2. Step 2: Convert to fraction form
    8,599.85/12,901.11 = 3,669.50/x
  3. Step 3: Cross multiply
    8,599.85x = 12,901.11 × 3,669.50
  4. Step 4: Simplify right side
    8,599.85x = 47,340,623.15
  5. Step 5: Solve for x
    x = 47,340,623.15/8,599.85
  6. Step 6: Final answer
    x = 5,504.82

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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.