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Finding the Fourth Proportional to 5,375.05, 8,059.69 and 1,864.15

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Solution

The fourth proportional to 5,375.05, 8,059.69 and 1,864.15 is: 2,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.05 : 8,059.69 = 1,864.15 : x
  2. Step 2: Convert to fraction form
    5,375.05/8,059.69 = 1,864.15/x
  3. Step 3: Cross multiply
    5,375.05x = 8,059.69 × 1,864.15
  4. Step 4: Simplify right side
    5,375.05x = 15,024,471.11
  5. Step 5: Solve for x
    x = 15,024,471.11/5,375.05
  6. Step 6: Final answer
    x = 2,795.22

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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.