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Finding the Fourth Proportional to 8,794.77, 13,198.47 and 3,458.76

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Solution

The fourth proportional to 8,794.77, 13,198.47 and 3,458.76 is: 5,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.77 : 13,198.47 = 3,458.76 : x
  2. Step 2: Convert to fraction form
    8,794.77/13,198.47 = 3,458.76/x
  3. Step 3: Cross multiply
    8,794.77x = 13,198.47 × 3,458.76
  4. Step 4: Simplify right side
    8,794.77x = 45,650,340.10
  5. Step 5: Solve for x
    x = 45,650,340.10/8,794.77
  6. Step 6: Final answer
    x = 5,190.62

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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.