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Finding the Fourth Proportional to 6,591.77, 9,886.61 and 2,149.59

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Solution

The fourth proportional to 6,591.77, 9,886.61 and 2,149.59 is: 3,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.77 : 9,886.61 = 2,149.59 : x
  2. Step 2: Convert to fraction form
    6,591.77/9,886.61 = 2,149.59/x
  3. Step 3: Cross multiply
    6,591.77x = 9,886.61 × 2,149.59
  4. Step 4: Simplify right side
    6,591.77x = 21,252,163.36
  5. Step 5: Solve for x
    x = 21,252,163.36/6,591.77
  6. Step 6: Final answer
    x = 3,224.05

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1.5x scale

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.