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Finding the Fourth Proportional to 9,951,793.60, 14,935,563.60 and 3,889,429.60

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Solution

The fourth proportional to 9,951,793.60, 14,935,563.60 and 3,889,429.60 is: 5,837,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951,793.60 : 14,935,563.60 = 3,889,429.60 : x
  2. Step 2: Convert to fraction form
    9,951,793.60/14,935,563.60 = 3,889,429.60/x
  3. Step 3: Cross multiply
    9,951,793.60x = 14,935,563.60 × 3,889,429.60
  4. Step 4: Simplify right side
    9,951,793.60x = 58,090,823,158,522.56
  5. Step 5: Solve for x
    x = 58,090,823,158,522.56/9,951,793.60
  6. Step 6: Final answer
    x = 5,837,221.46

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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.