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Finding the Fourth Proportional to 3,393.71, 5,083.05 and 2,607.93

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Solution

The fourth proportional to 3,393.71, 5,083.05 and 2,607.93 is: 3,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.71 : 5,083.05 = 2,607.93 : x
  2. Step 2: Convert to fraction form
    3,393.71/5,083.05 = 2,607.93/x
  3. Step 3: Cross multiply
    3,393.71x = 5,083.05 × 2,607.93
  4. Step 4: Simplify right side
    3,393.71x = 13,256,225.55
  5. Step 5: Solve for x
    x = 13,256,225.55/3,393.71
  6. Step 6: Final answer
    x = 3,906.12

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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.