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Finding the Fourth Proportional to 5,579.87, 8,362.95 and 3,357.32

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Solution

The fourth proportional to 5,579.87, 8,362.95 and 3,357.32 is: 5,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.87 : 8,362.95 = 3,357.32 : x
  2. Step 2: Convert to fraction form
    5,579.87/8,362.95 = 3,357.32/x
  3. Step 3: Cross multiply
    5,579.87x = 8,362.95 × 3,357.32
  4. Step 4: Simplify right side
    5,579.87x = 28,077,057.48
  5. Step 5: Solve for x
    x = 28,077,057.48/5,579.87
  6. Step 6: Final answer
    x = 5,031.85

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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.