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Finding the Fourth Proportional to 5,874,252.72, 8,103,798.74 and 3,809,788.98

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Solution

The fourth proportional to 5,874,252.72, 8,103,798.74 and 3,809,788.98 is: 5,255,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874,252.72 : 8,103,798.74 = 3,809,788.98 : x
  2. Step 2: Convert to fraction form
    5,874,252.72/8,103,798.74 = 3,809,788.98/x
  3. Step 3: Cross multiply
    5,874,252.72x = 8,103,798.74 × 3,809,788.98
  4. Step 4: Simplify right side
    5,874,252.72x = 30,873,763,135,789.89
  5. Step 5: Solve for x
    x = 30,873,763,135,789.89/5,874,252.72
  6. Step 6: Final answer
    x = 5,255,777.14

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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.