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Finding the Fourth Proportional to 8,865.44, 13,300.28 and 2,540.41

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Solution

The fourth proportional to 8,865.44, 13,300.28 and 2,540.41 is: 3,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.44 : 13,300.28 = 2,540.41 : x
  2. Step 2: Convert to fraction form
    8,865.44/13,300.28 = 2,540.41/x
  3. Step 3: Cross multiply
    8,865.44x = 13,300.28 × 2,540.41
  4. Step 4: Simplify right side
    8,865.44x = 33,788,164.31
  5. Step 5: Solve for x
    x = 33,788,164.31/8,865.44
  6. Step 6: Final answer
    x = 3,811.22

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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.