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Finding the Fourth Proportional to 5,576.99, 8,356.60 and 2,944.40

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Solution

The fourth proportional to 5,576.99, 8,356.60 and 2,944.40 is: 4,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.99 : 8,356.60 = 2,944.40 : x
  2. Step 2: Convert to fraction form
    5,576.99/8,356.60 = 2,944.40/x
  3. Step 3: Cross multiply
    5,576.99x = 8,356.60 × 2,944.40
  4. Step 4: Simplify right side
    5,576.99x = 24,605,134.94
  5. Step 5: Solve for x
    x = 24,605,134.94/5,576.99
  6. Step 6: Final answer
    x = 4,411.91

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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.