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Finding the Fourth Proportional to 8,660,662.56, 11,951,626.32 and 4,793,191.20

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Solution

The fourth proportional to 8,660,662.56, 11,951,626.32 and 4,793,191.20 is: 6,614,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,662.56 : 11,951,626.32 = 4,793,191.20 : x
  2. Step 2: Convert to fraction form
    8,660,662.56/11,951,626.32 = 4,793,191.20/x
  3. Step 3: Cross multiply
    8,660,662.56x = 11,951,626.32 × 4,793,191.20
  4. Step 4: Simplify right side
    8,660,662.56x = 57,286,430,102,712.39
  5. Step 5: Solve for x
    x = 57,286,430,102,712.39/8,660,662.56
  6. Step 6: Final answer
    x = 6,614,555.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.