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Finding the Fourth Proportional to 6,910,852.97, 9,536,965.72 and 3,813,373.89

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Solution

The fourth proportional to 6,910,852.97, 9,536,965.72 and 3,813,373.89 is: 5,262,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910,852.97 : 9,536,965.72 = 3,813,373.89 : x
  2. Step 2: Convert to fraction form
    6,910,852.97/9,536,965.72 = 3,813,373.89/x
  3. Step 3: Cross multiply
    6,910,852.97x = 9,536,965.72 × 3,813,373.89
  4. Step 4: Simplify right side
    6,910,852.97x = 36,368,016,056,939.62
  5. Step 5: Solve for x
    x = 36,368,016,056,939.62/6,910,852.97
  6. Step 6: Final answer
    x = 5,262,449.69

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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.