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Finding the Fourth Proportional to 8,836.76, 13,254.69 and 2,993.30

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Solution

The fourth proportional to 8,836.76, 13,254.69 and 2,993.30 is: 4,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.76 : 13,254.69 = 2,993.30 : x
  2. Step 2: Convert to fraction form
    8,836.76/13,254.69 = 2,993.30/x
  3. Step 3: Cross multiply
    8,836.76x = 13,254.69 × 2,993.30
  4. Step 4: Simplify right side
    8,836.76x = 39,675,263.58
  5. Step 5: Solve for x
    x = 39,675,263.58/8,836.76
  6. Step 6: Final answer
    x = 4,489.80

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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.