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Finding the Fourth Proportional to 8,449.42, 12,673.42 and 2,606.08

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Solution

The fourth proportional to 8,449.42, 12,673.42 and 2,606.08 is: 3,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.42 : 12,673.42 = 2,606.08 : x
  2. Step 2: Convert to fraction form
    8,449.42/12,673.42 = 2,606.08/x
  3. Step 3: Cross multiply
    8,449.42x = 12,673.42 × 2,606.08
  4. Step 4: Simplify right side
    8,449.42x = 33,027,946.39
  5. Step 5: Solve for x
    x = 33,027,946.39/8,449.42
  6. Step 6: Final answer
    x = 3,908.90

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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.