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Finding the Fourth Proportional to 6,550,494.22, 9,039,717.82 and 3,798,813.10

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Solution

The fourth proportional to 6,550,494.22, 9,039,717.82 and 3,798,813.10 is: 5,242,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550,494.22 : 9,039,717.82 = 3,798,813.10 : x
  2. Step 2: Convert to fraction form
    6,550,494.22/9,039,717.82 = 3,798,813.10/x
  3. Step 3: Cross multiply
    6,550,494.22x = 9,039,717.82 × 3,798,813.10
  4. Step 4: Simplify right side
    6,550,494.22x = 34,340,198,474,919.45
  5. Step 5: Solve for x
    x = 34,340,198,474,919.45/6,550,494.22
  6. Step 6: Final answer
    x = 5,242,382.84

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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.