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Finding the Fourth Proportional to 7,846.39, 10,828.04 and 4,309.83

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Solution

The fourth proportional to 7,846.39, 10,828.04 and 4,309.83 is: 5,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.39 : 10,828.04 = 4,309.83 : x
  2. Step 2: Convert to fraction form
    7,846.39/10,828.04 = 4,309.83/x
  3. Step 3: Cross multiply
    7,846.39x = 10,828.04 × 4,309.83
  4. Step 4: Simplify right side
    7,846.39x = 46,667,011.63
  5. Step 5: Solve for x
    x = 46,667,011.63/7,846.39
  6. Step 6: Final answer
    x = 5,947.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.