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Finding the Fourth Proportional to 4,986.87, 7,484.91 and 2,523.39

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Solution

The fourth proportional to 4,986.87, 7,484.91 and 2,523.39 is: 3,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.87 : 7,484.91 = 2,523.39 : x
  2. Step 2: Convert to fraction form
    4,986.87/7,484.91 = 2,523.39/x
  3. Step 3: Cross multiply
    4,986.87x = 7,484.91 × 2,523.39
  4. Step 4: Simplify right side
    4,986.87x = 18,887,347.04
  5. Step 5: Solve for x
    x = 18,887,347.04/4,986.87
  6. Step 6: Final answer
    x = 3,787.42

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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.