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Finding the Fourth Proportional to 2,793.03, 4,188.99 and 1,406.01

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Solution

The fourth proportional to 2,793.03, 4,188.99 and 1,406.01 is: 2,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.03 : 4,188.99 = 1,406.01 : x
  2. Step 2: Convert to fraction form
    2,793.03/4,188.99 = 1,406.01/x
  3. Step 3: Cross multiply
    2,793.03x = 4,188.99 × 1,406.01
  4. Step 4: Simplify right side
    2,793.03x = 5,889,761.83
  5. Step 5: Solve for x
    x = 5,889,761.83/2,793.03
  6. Step 6: Final answer
    x = 2,108.74

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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.