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Finding the Fourth Proportional to 7,873,405.03, 11,810,107.55 and 1,889,773.03

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Solution

The fourth proportional to 7,873,405.03, 11,810,107.55 and 1,889,773.03 is: 2,834,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,405.03 : 11,810,107.55 = 1,889,773.03 : x
  2. Step 2: Convert to fraction form
    7,873,405.03/11,810,107.55 = 1,889,773.03/x
  3. Step 3: Cross multiply
    7,873,405.03x = 11,810,107.55 × 1,889,773.03
  4. Step 4: Simplify right side
    7,873,405.03x = 22,318,422,738,246.47
  5. Step 5: Solve for x
    x = 22,318,422,738,246.47/7,873,405.03
  6. Step 6: Final answer
    x = 2,834,659.55

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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.