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Finding the Fourth Proportional to 4,986.62, 6,883.80 and 3,551.90

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Solution

The fourth proportional to 4,986.62, 6,883.80 and 3,551.90 is: 4,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.62 : 6,883.80 = 3,551.90 : x
  2. Step 2: Convert to fraction form
    4,986.62/6,883.80 = 3,551.90/x
  3. Step 3: Cross multiply
    4,986.62x = 6,883.80 × 3,551.90
  4. Step 4: Simplify right side
    4,986.62x = 24,450,599.54
  5. Step 5: Solve for x
    x = 24,450,599.54/4,986.62
  6. Step 6: Final answer
    x = 4,903.24

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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.