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Finding the Fourth Proportional to 6,382,433.21, 8,806,553.21 and 3,804,353.87

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Solution

The fourth proportional to 6,382,433.21, 8,806,553.21 and 3,804,353.87 is: 5,249,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,433.21 : 8,806,553.21 = 3,804,353.87 : x
  2. Step 2: Convert to fraction form
    6,382,433.21/8,806,553.21 = 3,804,353.87/x
  3. Step 3: Cross multiply
    6,382,433.21x = 8,806,553.21 × 3,804,353.87
  4. Step 4: Simplify right side
    6,382,433.21x = 33,503,244,751,302.54
  5. Step 5: Solve for x
    x = 33,503,244,751,302.54/6,382,433.21
  6. Step 6: Final answer
    x = 5,249,290.31

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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.