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Finding the Fourth Proportional to 8,504,195.80, 12,757,848.90 and 3,456,016.60

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Solution

The fourth proportional to 8,504,195.80, 12,757,848.90 and 3,456,016.60 is: 5,184,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,195.80 : 12,757,848.90 = 3,456,016.60 : x
  2. Step 2: Convert to fraction form
    8,504,195.80/12,757,848.90 = 3,456,016.60/x
  3. Step 3: Cross multiply
    8,504,195.80x = 12,757,848.90 × 3,456,016.60
  4. Step 4: Simplify right side
    8,504,195.80x = 44,091,337,578,691.74
  5. Step 5: Solve for x
    x = 44,091,337,578,691.74/8,504,195.80
  6. Step 6: Final answer
    x = 5,184,656.92

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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.