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Finding the Fourth Proportional to 8,809.62, 13,198.10 and 6,305.64

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Solution

The fourth proportional to 8,809.62, 13,198.10 and 6,305.64 is: 9,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.62 : 13,198.10 = 6,305.64 : x
  2. Step 2: Convert to fraction form
    8,809.62/13,198.10 = 6,305.64/x
  3. Step 3: Cross multiply
    8,809.62x = 13,198.10 × 6,305.64
  4. Step 4: Simplify right side
    8,809.62x = 83,222,435.76
  5. Step 5: Solve for x
    x = 83,222,435.76/8,809.62
  6. Step 6: Final answer
    x = 9,446.77

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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.