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Finding the Fourth Proportional to 5,447.88, 7,516.66 and 3,457.68

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Solution

The fourth proportional to 5,447.88, 7,516.66 and 3,457.68 is: 4,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.88 : 7,516.66 = 3,457.68 : x
  2. Step 2: Convert to fraction form
    5,447.88/7,516.66 = 3,457.68/x
  3. Step 3: Cross multiply
    5,447.88x = 7,516.66 × 3,457.68
  4. Step 4: Simplify right side
    5,447.88x = 25,990,204.95
  5. Step 5: Solve for x
    x = 25,990,204.95/5,447.88
  6. Step 6: Final answer
    x = 4,770.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.