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Finding the Fourth Proportional to 8,713,724.22, 12,027,471.75 and 5,813,107.93

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Solution

The fourth proportional to 8,713,724.22, 12,027,471.75 and 5,813,107.93 is: 8,023,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,724.22 : 12,027,471.75 = 5,813,107.93 : x
  2. Step 2: Convert to fraction form
    8,713,724.22/12,027,471.75 = 5,813,107.93/x
  3. Step 3: Cross multiply
    8,713,724.22x = 12,027,471.75 × 5,813,107.93
  4. Step 4: Simplify right side
    8,713,724.22x = 69,916,991,407,775.98
  5. Step 5: Solve for x
    x = 69,916,991,407,775.98/8,713,724.22
  6. Step 6: Final answer
    x = 8,023,778.31

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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.