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Finding the Fourth Proportional to 8,447.74, 12,673.48 and 2,900.96

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Solution

The fourth proportional to 8,447.74, 12,673.48 and 2,900.96 is: 4,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.74 : 12,673.48 = 2,900.96 : x
  2. Step 2: Convert to fraction form
    8,447.74/12,673.48 = 2,900.96/x
  3. Step 3: Cross multiply
    8,447.74x = 12,673.48 × 2,900.96
  4. Step 4: Simplify right side
    8,447.74x = 36,765,258.54
  5. Step 5: Solve for x
    x = 36,765,258.54/8,447.74
  6. Step 6: Final answer
    x = 4,352.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.