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Finding the Fourth Proportional to 7,293.80, 10,940.11 and 2,028.90

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Solution

The fourth proportional to 7,293.80, 10,940.11 and 2,028.90 is: 3,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.80 : 10,940.11 = 2,028.90 : x
  2. Step 2: Convert to fraction form
    7,293.80/10,940.11 = 2,028.90/x
  3. Step 3: Cross multiply
    7,293.80x = 10,940.11 × 2,028.90
  4. Step 4: Simplify right side
    7,293.80x = 22,196,389.18
  5. Step 5: Solve for x
    x = 22,196,389.18/7,293.80
  6. Step 6: Final answer
    x = 3,043.19

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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.