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Finding the Fourth Proportional to 5,304,769.08, 7,958,616.12 and 2,112,137.28

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Solution

The fourth proportional to 5,304,769.08, 7,958,616.12 and 2,112,137.28 is: 3,168,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304,769.08 : 7,958,616.12 = 2,112,137.28 : x
  2. Step 2: Convert to fraction form
    5,304,769.08/7,958,616.12 = 2,112,137.28/x
  3. Step 3: Cross multiply
    5,304,769.08x = 7,958,616.12 × 2,112,137.28
  4. Step 4: Simplify right side
    5,304,769.08x = 16,809,689,804,260.95
  5. Step 5: Solve for x
    x = 16,809,689,804,260.95/5,304,769.08
  6. Step 6: Final answer
    x = 3,168,788.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.