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Finding the Fourth Proportional to 8,313,904.40, 12,471,245.40 and 2,634,573.20

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Solution

The fourth proportional to 8,313,904.40, 12,471,245.40 and 2,634,573.20 is: 3,951,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,904.40 : 12,471,245.40 = 2,634,573.20 : x
  2. Step 2: Convert to fraction form
    8,313,904.40/12,471,245.40 = 2,634,573.20/x
  3. Step 3: Cross multiply
    8,313,904.40x = 12,471,245.40 × 2,634,573.20
  4. Step 4: Simplify right side
    8,313,904.40x = 32,856,408,901,463.29
  5. Step 5: Solve for x
    x = 32,856,408,901,463.29/8,313,904.40
  6. Step 6: Final answer
    x = 3,951,983.01

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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.