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Finding the Fourth Proportional to 8,453.87, 12,682.87 and 5,959.92

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Solution

The fourth proportional to 8,453.87, 12,682.87 and 5,959.92 is: 8,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.87 : 12,682.87 = 5,959.92 : x
  2. Step 2: Convert to fraction form
    8,453.87/12,682.87 = 5,959.92/x
  3. Step 3: Cross multiply
    8,453.87x = 12,682.87 × 5,959.92
  4. Step 4: Simplify right side
    8,453.87x = 75,588,923.23
  5. Step 5: Solve for x
    x = 75,588,923.23/8,453.87
  6. Step 6: Final answer
    x = 8,941.34

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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.