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Finding the Fourth Proportional to 5,610.19, 8,411.19 and 2,690.56

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Solution

The fourth proportional to 5,610.19, 8,411.19 and 2,690.56 is: 4,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.19 : 8,411.19 = 2,690.56 : x
  2. Step 2: Convert to fraction form
    5,610.19/8,411.19 = 2,690.56/x
  3. Step 3: Cross multiply
    5,610.19x = 8,411.19 × 2,690.56
  4. Step 4: Simplify right side
    5,610.19x = 22,630,811.37
  5. Step 5: Solve for x
    x = 22,630,811.37/5,610.19
  6. Step 6: Final answer
    x = 4,033.88

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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.