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Finding the Fourth Proportional to 8,244.40, 12,357.88 and 2,696.26

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Solution

The fourth proportional to 8,244.40, 12,357.88 and 2,696.26 is: 4,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.40 : 12,357.88 = 2,696.26 : x
  2. Step 2: Convert to fraction form
    8,244.40/12,357.88 = 2,696.26/x
  3. Step 3: Cross multiply
    8,244.40x = 12,357.88 × 2,696.26
  4. Step 4: Simplify right side
    8,244.40x = 33,320,057.53
  5. Step 5: Solve for x
    x = 33,320,057.53/8,244.40
  6. Step 6: Final answer
    x = 4,041.54

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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.