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Finding the Fourth Proportional to 4,393.73, 6,065.55 and 2,984.87

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Solution

The fourth proportional to 4,393.73, 6,065.55 and 2,984.87 is: 4,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.73 : 6,065.55 = 2,984.87 : x
  2. Step 2: Convert to fraction form
    4,393.73/6,065.55 = 2,984.87/x
  3. Step 3: Cross multiply
    4,393.73x = 6,065.55 × 2,984.87
  4. Step 4: Simplify right side
    4,393.73x = 18,104,893.39
  5. Step 5: Solve for x
    x = 18,104,893.39/4,393.73
  6. Step 6: Final answer
    x = 4,120.62

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Why These Related Problems?

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