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Finding the Fourth Proportional to 8,943.63, 13,411.09 and 2,702.44

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Solution

The fourth proportional to 8,943.63, 13,411.09 and 2,702.44 is: 4,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.63 : 13,411.09 = 2,702.44 : x
  2. Step 2: Convert to fraction form
    8,943.63/13,411.09 = 2,702.44/x
  3. Step 3: Cross multiply
    8,943.63x = 13,411.09 × 2,702.44
  4. Step 4: Simplify right side
    8,943.63x = 36,242,666.06
  5. Step 5: Solve for x
    x = 36,242,666.06/8,943.63
  6. Step 6: Final answer
    x = 4,052.34

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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.