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Finding the Fourth Proportional to 8,841.26, 13,263.82 and 2,918.41

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Solution

The fourth proportional to 8,841.26, 13,263.82 and 2,918.41 is: 4,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.26 : 13,263.82 = 2,918.41 : x
  2. Step 2: Convert to fraction form
    8,841.26/13,263.82 = 2,918.41/x
  3. Step 3: Cross multiply
    8,841.26x = 13,263.82 × 2,918.41
  4. Step 4: Simplify right side
    8,841.26x = 38,709,224.47
  5. Step 5: Solve for x
    x = 38,709,224.47/8,841.26
  6. Step 6: Final answer
    x = 4,378.25

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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.