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Finding the Fourth Proportional to 8,404.63, 12,606.93 and 2,481.59

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Solution

The fourth proportional to 8,404.63, 12,606.93 and 2,481.59 is: 3,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.63 : 12,606.93 = 2,481.59 : x
  2. Step 2: Convert to fraction form
    8,404.63/12,606.93 = 2,481.59/x
  3. Step 3: Cross multiply
    8,404.63x = 12,606.93 × 2,481.59
  4. Step 4: Simplify right side
    8,404.63x = 31,285,262.94
  5. Step 5: Solve for x
    x = 31,285,262.94/8,404.63
  6. Step 6: Final answer
    x = 3,722.39

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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.