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Finding the Fourth Proportional to 5,713,896.27, 7,885,404.29 and 3,135,669.31

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Solution

The fourth proportional to 5,713,896.27, 7,885,404.29 and 3,135,669.31 is: 4,327,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713,896.27 : 7,885,404.29 = 3,135,669.31 : x
  2. Step 2: Convert to fraction form
    5,713,896.27/7,885,404.29 = 3,135,669.31/x
  3. Step 3: Cross multiply
    5,713,896.27x = 7,885,404.29 × 3,135,669.31
  4. Step 4: Simplify right side
    5,713,896.27x = 24,726,020,217,221.00
  5. Step 5: Solve for x
    x = 24,726,020,217,221.00/5,713,896.27
  6. Step 6: Final answer
    x = 4,327,348.46

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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.