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Finding the Fourth Proportional to 6,755,890.94, 9,323,796.36 and 3,855,715.70

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Solution

The fourth proportional to 6,755,890.94, 9,323,796.36 and 3,855,715.70 is: 5,321,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755,890.94 : 9,323,796.36 = 3,855,715.70 : x
  2. Step 2: Convert to fraction form
    6,755,890.94/9,323,796.36 = 3,855,715.70/x
  3. Step 3: Cross multiply
    6,755,890.94x = 9,323,796.36 × 3,855,715.70
  4. Step 4: Simplify right side
    6,755,890.94x = 35,949,908,008,854.85
  5. Step 5: Solve for x
    x = 35,949,908,008,854.85/6,755,890.94
  6. Step 6: Final answer
    x = 5,321,268.26

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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.