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Finding the Fourth Proportional to 8,914.26, 13,344.60 and 8,702.04

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Solution

The fourth proportional to 8,914.26, 13,344.60 and 8,702.04 is: 13,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.26 : 13,344.60 = 8,702.04 : x
  2. Step 2: Convert to fraction form
    8,914.26/13,344.60 = 8,702.04/x
  3. Step 3: Cross multiply
    8,914.26x = 13,344.60 × 8,702.04
  4. Step 4: Simplify right side
    8,914.26x = 116,125,242.98
  5. Step 5: Solve for x
    x = 116,125,242.98/8,914.26
  6. Step 6: Final answer
    x = 13,026.91

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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.