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Finding the Fourth Proportional to 3,806.16, 5,709.24 and 2,345.82

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Solution

The fourth proportional to 3,806.16, 5,709.24 and 2,345.82 is: 3,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.16 : 5,709.24 = 2,345.82 : x
  2. Step 2: Convert to fraction form
    3,806.16/5,709.24 = 2,345.82/x
  3. Step 3: Cross multiply
    3,806.16x = 5,709.24 × 2,345.82
  4. Step 4: Simplify right side
    3,806.16x = 13,392,849.38
  5. Step 5: Solve for x
    x = 13,392,849.38/3,806.16
  6. Step 6: Final answer
    x = 3,518.73

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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.