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Finding the Fourth Proportional to 5,784,763.82, 8,677,231.44 and 2,189,565.45

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Solution

The fourth proportional to 5,784,763.82, 8,677,231.44 and 2,189,565.45 is: 3,284,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784,763.82 : 8,677,231.44 = 2,189,565.45 : x
  2. Step 2: Convert to fraction form
    5,784,763.82/8,677,231.44 = 2,189,565.45/x
  3. Step 3: Cross multiply
    5,784,763.82x = 8,677,231.44 × 2,189,565.45
  4. Step 4: Simplify right side
    5,784,763.82x = 18,999,366,162,677.75
  5. Step 5: Solve for x
    x = 18,999,366,162,677.75/5,784,763.82
  6. Step 6: Final answer
    x = 3,284,380.62

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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.