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Finding the Fourth Proportional to 5,299.76, 7,943.16 and 1,832.96

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Solution

The fourth proportional to 5,299.76, 7,943.16 and 1,832.96 is: 2,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.76 : 7,943.16 = 1,832.96 : x
  2. Step 2: Convert to fraction form
    5,299.76/7,943.16 = 1,832.96/x
  3. Step 3: Cross multiply
    5,299.76x = 7,943.16 × 1,832.96
  4. Step 4: Simplify right side
    5,299.76x = 14,559,494.55
  5. Step 5: Solve for x
    x = 14,559,494.55/5,299.76
  6. Step 6: Final answer
    x = 2,747.20

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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.