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Finding the Fourth Proportional to 8,713,724.65, 12,027,472.36 and 5,813,108.37

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Solution

The fourth proportional to 8,713,724.65, 12,027,472.36 and 5,813,108.37 is: 8,023,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,724.65 : 12,027,472.36 = 5,813,108.37 : x
  2. Step 2: Convert to fraction form
    8,713,724.65/12,027,472.36 = 5,813,108.37/x
  3. Step 3: Cross multiply
    8,713,724.65x = 12,027,472.36 × 5,813,108.37
  4. Step 4: Simplify right side
    8,713,724.65x = 69,917,000,216,794.12
  5. Step 5: Solve for x
    x = 69,917,000,216,794.12/8,713,724.65
  6. Step 6: Final answer
    x = 8,023,778.93

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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.