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Finding the Fourth Proportional to 3,593.39, 5,389.47 and 995.72

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Solution

The fourth proportional to 3,593.39, 5,389.47 and 995.72 is: 1,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.39 : 5,389.47 = 995.72 : x
  2. Step 2: Convert to fraction form
    3,593.39/5,389.47 = 995.72/x
  3. Step 3: Cross multiply
    3,593.39x = 5,389.47 × 995.72
  4. Step 4: Simplify right side
    3,593.39x = 5,366,403.07
  5. Step 5: Solve for x
    x = 5,366,403.07/3,593.39
  6. Step 6: Final answer
    x = 1,493.41

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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.