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Finding the Fourth Proportional to 6,404.11, 8,827.99 and 5,004.43

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Solution

The fourth proportional to 6,404.11, 8,827.99 and 5,004.43 is: 6,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.11 : 8,827.99 = 5,004.43 : x
  2. Step 2: Convert to fraction form
    6,404.11/8,827.99 = 5,004.43/x
  3. Step 3: Cross multiply
    6,404.11x = 8,827.99 × 5,004.43
  4. Step 4: Simplify right side
    6,404.11x = 44,179,058.00
  5. Step 5: Solve for x
    x = 44,179,058.00/6,404.11
  6. Step 6: Final answer
    x = 6,898.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.