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Finding the Fourth Proportional to 8,530.50, 12,797.11 and 3,600.86

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Solution

The fourth proportional to 8,530.50, 12,797.11 and 3,600.86 is: 5,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.50 : 12,797.11 = 3,600.86 : x
  2. Step 2: Convert to fraction form
    8,530.50/12,797.11 = 3,600.86/x
  3. Step 3: Cross multiply
    8,530.50x = 12,797.11 × 3,600.86
  4. Step 4: Simplify right side
    8,530.50x = 46,080,601.51
  5. Step 5: Solve for x
    x = 46,080,601.51/8,530.50
  6. Step 6: Final answer
    x = 5,401.86

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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.