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Finding the Fourth Proportional to 8,893.56, 13,340.30 and 2,319.60

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Solution

The fourth proportional to 8,893.56, 13,340.30 and 2,319.60 is: 3,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.56 : 13,340.30 = 2,319.60 : x
  2. Step 2: Convert to fraction form
    8,893.56/13,340.30 = 2,319.60/x
  3. Step 3: Cross multiply
    8,893.56x = 13,340.30 × 2,319.60
  4. Step 4: Simplify right side
    8,893.56x = 30,944,148.28
  5. Step 5: Solve for x
    x = 30,944,148.28/8,893.56
  6. Step 6: Final answer
    x = 3,479.39

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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.