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Finding the Fourth Proportional to 8,188,787.07, 12,282,737.67 and 2,509,027.79

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Solution

The fourth proportional to 8,188,787.07, 12,282,737.67 and 2,509,027.79 is: 3,763,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,787.07 : 12,282,737.67 = 2,509,027.79 : x
  2. Step 2: Convert to fraction form
    8,188,787.07/12,282,737.67 = 2,509,027.79/x
  3. Step 3: Cross multiply
    8,188,787.07x = 12,282,737.67 × 2,509,027.79
  4. Step 4: Simplify right side
    8,188,787.07x = 30,817,730,089,896.16
  5. Step 5: Solve for x
    x = 30,817,730,089,896.16/8,188,787.07
  6. Step 6: Final answer
    x = 3,763,405.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.