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Finding the Fourth Proportional to 5,806.99, 8,710.49 and 2,108.53

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Solution

The fourth proportional to 5,806.99, 8,710.49 and 2,108.53 is: 3,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.99 : 8,710.49 = 2,108.53 : x
  2. Step 2: Convert to fraction form
    5,806.99/8,710.49 = 2,108.53/x
  3. Step 3: Cross multiply
    5,806.99x = 8,710.49 × 2,108.53
  4. Step 4: Simplify right side
    5,806.99x = 18,366,329.48
  5. Step 5: Solve for x
    x = 18,366,329.48/5,806.99
  6. Step 6: Final answer
    x = 3,162.80

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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.