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Finding the Fourth Proportional to 8,784.62, 13,169.48 and 3,850.52

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Solution

The fourth proportional to 8,784.62, 13,169.48 and 3,850.52 is: 5,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.62 : 13,169.48 = 3,850.52 : x
  2. Step 2: Convert to fraction form
    8,784.62/13,169.48 = 3,850.52/x
  3. Step 3: Cross multiply
    8,784.62x = 13,169.48 × 3,850.52
  4. Step 4: Simplify right side
    8,784.62x = 50,709,289.91
  5. Step 5: Solve for x
    x = 50,709,289.91/8,784.62
  6. Step 6: Final answer
    x = 5,772.51

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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.