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Finding the Fourth Proportional to 7,992,305.82, 11,985,482.54 and 2,873,338.90

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Solution

The fourth proportional to 7,992,305.82, 11,985,482.54 and 2,873,338.90 is: 4,308,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,305.82 : 11,985,482.54 = 2,873,338.90 : x
  2. Step 2: Convert to fraction form
    7,992,305.82/11,985,482.54 = 2,873,338.90/x
  3. Step 3: Cross multiply
    7,992,305.82x = 11,985,482.54 × 2,873,338.90
  4. Step 4: Simplify right side
    7,992,305.82x = 34,438,353,217,452.80
  5. Step 5: Solve for x
    x = 34,438,353,217,452.80/7,992,305.82
  6. Step 6: Final answer
    x = 4,308,938.37

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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.