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Finding the Fourth Proportional to 8,893.91, 13,345.02 and 3,963.04

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Solution

The fourth proportional to 8,893.91, 13,345.02 and 3,963.04 is: 5,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.91 : 13,345.02 = 3,963.04 : x
  2. Step 2: Convert to fraction form
    8,893.91/13,345.02 = 3,963.04/x
  3. Step 3: Cross multiply
    8,893.91x = 13,345.02 × 3,963.04
  4. Step 4: Simplify right side
    8,893.91x = 52,886,814.70
  5. Step 5: Solve for x
    x = 52,886,814.70/8,893.91
  6. Step 6: Final answer
    x = 5,946.41

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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.