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Finding the Fourth Proportional to 5,295.15, 7,941.81 and 2,007.45

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Solution

The fourth proportional to 5,295.15, 7,941.81 and 2,007.45 is: 3,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.15 : 7,941.81 = 2,007.45 : x
  2. Step 2: Convert to fraction form
    5,295.15/7,941.81 = 2,007.45/x
  3. Step 3: Cross multiply
    5,295.15x = 7,941.81 × 2,007.45
  4. Step 4: Simplify right side
    5,295.15x = 15,942,786.48
  5. Step 5: Solve for x
    x = 15,942,786.48/5,295.15
  6. Step 6: Final answer
    x = 3,010.83

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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.