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Finding the Fourth Proportional to 5,694,390.92, 8,542,477.22 and 1,855,322.21

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Solution

The fourth proportional to 5,694,390.92, 8,542,477.22 and 1,855,322.21 is: 2,783,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694,390.92 : 8,542,477.22 = 1,855,322.21 : x
  2. Step 2: Convert to fraction form
    5,694,390.92/8,542,477.22 = 1,855,322.21/x
  3. Step 3: Cross multiply
    5,694,390.92x = 8,542,477.22 × 1,855,322.21
  4. Step 4: Simplify right side
    5,694,390.92x = 15,849,047,726,764.64
  5. Step 5: Solve for x
    x = 15,849,047,726,764.64/5,694,390.92
  6. Step 6: Final answer
    x = 2,783,273.57

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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.