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Finding the Fourth Proportional to 5,300.84, 7,951.99 and 1,791.85

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Solution

The fourth proportional to 5,300.84, 7,951.99 and 1,791.85 is: 2,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.84 : 7,951.99 = 1,791.85 : x
  2. Step 2: Convert to fraction form
    5,300.84/7,951.99 = 1,791.85/x
  3. Step 3: Cross multiply
    5,300.84x = 7,951.99 × 1,791.85
  4. Step 4: Simplify right side
    5,300.84x = 14,248,773.28
  5. Step 5: Solve for x
    x = 14,248,773.28/5,300.84
  6. Step 6: Final answer
    x = 2,688.02

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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.