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Finding the Fourth Proportional to 5,808.70, 8,707.11 and 2,519.02

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Solution

The fourth proportional to 5,808.70, 8,707.11 and 2,519.02 is: 3,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.70 : 8,707.11 = 2,519.02 : x
  2. Step 2: Convert to fraction form
    5,808.70/8,707.11 = 2,519.02/x
  3. Step 3: Cross multiply
    5,808.70x = 8,707.11 × 2,519.02
  4. Step 4: Simplify right side
    5,808.70x = 21,933,384.23
  5. Step 5: Solve for x
    x = 21,933,384.23/5,808.70
  6. Step 6: Final answer
    x = 3,775.95

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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.