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Finding the Fourth Proportional to 4,943.09, 7,411.92 and 2,018.99

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Solution

The fourth proportional to 4,943.09, 7,411.92 and 2,018.99 is: 3,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.09 : 7,411.92 = 2,018.99 : x
  2. Step 2: Convert to fraction form
    4,943.09/7,411.92 = 2,018.99/x
  3. Step 3: Cross multiply
    4,943.09x = 7,411.92 × 2,018.99
  4. Step 4: Simplify right side
    4,943.09x = 14,964,555.30
  5. Step 5: Solve for x
    x = 14,964,555.30/4,943.09
  6. Step 6: Final answer
    x = 3,027.37

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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.