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Finding the Fourth Proportional to 8,667.91, 13,004.30 and 3,477.43

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Solution

The fourth proportional to 8,667.91, 13,004.30 and 3,477.43 is: 5,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.91 : 13,004.30 = 3,477.43 : x
  2. Step 2: Convert to fraction form
    8,667.91/13,004.30 = 3,477.43/x
  3. Step 3: Cross multiply
    8,667.91x = 13,004.30 × 3,477.43
  4. Step 4: Simplify right side
    8,667.91x = 45,221,542.95
  5. Step 5: Solve for x
    x = 45,221,542.95/8,667.91
  6. Step 6: Final answer
    x = 5,217.12

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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.