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Finding the Fourth Proportional to 8,893.35, 13,340.03 and 2,657.74

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Solution

The fourth proportional to 8,893.35, 13,340.03 and 2,657.74 is: 3,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.35 : 13,340.03 = 2,657.74 : x
  2. Step 2: Convert to fraction form
    8,893.35/13,340.03 = 2,657.74/x
  3. Step 3: Cross multiply
    8,893.35x = 13,340.03 × 2,657.74
  4. Step 4: Simplify right side
    8,893.35x = 35,454,331.33
  5. Step 5: Solve for x
    x = 35,454,331.33/8,893.35
  6. Step 6: Final answer
    x = 3,986.61

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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.