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Finding the Fourth Proportional to 5,313.44, 7,971.24 and 1,850.96

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Solution

The fourth proportional to 5,313.44, 7,971.24 and 1,850.96 is: 2,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.44 : 7,971.24 = 1,850.96 : x
  2. Step 2: Convert to fraction form
    5,313.44/7,971.24 = 1,850.96/x
  3. Step 3: Cross multiply
    5,313.44x = 7,971.24 × 1,850.96
  4. Step 4: Simplify right side
    5,313.44x = 14,754,446.39
  5. Step 5: Solve for x
    x = 14,754,446.39/5,313.44
  6. Step 6: Final answer
    x = 2,776.82

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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.