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Finding the Fourth Proportional to 8,504,894.01, 12,765,739.11 and 3,715,888.89

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Solution

The fourth proportional to 8,504,894.01, 12,765,739.11 and 3,715,888.89 is: 5,577,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,894.01 : 12,765,739.11 = 3,715,888.89 : x
  2. Step 2: Convert to fraction form
    8,504,894.01/12,765,739.11 = 3,715,888.89/x
  3. Step 3: Cross multiply
    8,504,894.01x = 12,765,739.11 × 3,715,888.89
  4. Step 4: Simplify right side
    8,504,894.01x = 47,436,068,131,487.48
  5. Step 5: Solve for x
    x = 47,436,068,131,487.48/8,504,894.01
  6. Step 6: Final answer
    x = 5,577,502.56

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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.