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Finding the Fourth Proportional to 6,355,694.15, 8,770,821.27 and 3,602,900.84

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Solution

The fourth proportional to 6,355,694.15, 8,770,821.27 and 3,602,900.84 is: 4,971,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355,694.15 : 8,770,821.27 = 3,602,900.84 : x
  2. Step 2: Convert to fraction form
    6,355,694.15/8,770,821.27 = 3,602,900.84/x
  3. Step 3: Cross multiply
    6,355,694.15x = 8,770,821.27 × 3,602,900.84
  4. Step 4: Simplify right side
    6,355,694.15x = 31,600,399,277,318.76
  5. Step 5: Solve for x
    x = 31,600,399,277,318.76/6,355,694.15
  6. Step 6: Final answer
    x = 4,971,982.38

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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.