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Finding the Fourth Proportional to 5,806.73, 8,710.14 and 1,911.13

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Solution

The fourth proportional to 5,806.73, 8,710.14 and 1,911.13 is: 2,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.73 : 8,710.14 = 1,911.13 : x
  2. Step 2: Convert to fraction form
    5,806.73/8,710.14 = 1,911.13/x
  3. Step 3: Cross multiply
    5,806.73x = 8,710.14 × 1,911.13
  4. Step 4: Simplify right side
    5,806.73x = 16,646,209.86
  5. Step 5: Solve for x
    x = 16,646,209.86/5,806.73
  6. Step 6: Final answer
    x = 2,866.71

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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.