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Finding the Fourth Proportional to 7,003,157.56, 9,664,357.44 and 3,783,893.56

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Solution

The fourth proportional to 7,003,157.56, 9,664,357.44 and 3,783,893.56 is: 5,221,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,157.56 : 9,664,357.44 = 3,783,893.56 : x
  2. Step 2: Convert to fraction form
    7,003,157.56/9,664,357.44 = 3,783,893.56/x
  3. Step 3: Cross multiply
    7,003,157.56x = 9,664,357.44 × 3,783,893.56
  4. Step 4: Simplify right side
    7,003,157.56x = 36,568,899,878,754.09
  5. Step 5: Solve for x
    x = 36,568,899,878,754.09/7,003,157.56
  6. Step 6: Final answer
    x = 5,221,773.12

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Why These Related Problems?

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