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Finding the Fourth Proportional to 8,796.58, 13,169.76 and 8,107.54

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Solution

The fourth proportional to 8,796.58, 13,169.76 and 8,107.54 is: 12,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.58 : 13,169.76 = 8,107.54 : x
  2. Step 2: Convert to fraction form
    8,796.58/13,169.76 = 8,107.54/x
  3. Step 3: Cross multiply
    8,796.58x = 13,169.76 × 8,107.54
  4. Step 4: Simplify right side
    8,796.58x = 106,774,355.99
  5. Step 5: Solve for x
    x = 106,774,355.99/8,796.58
  6. Step 6: Final answer
    x = 12,138.17

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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.