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Finding the Fourth Proportional to 5,793,837.60, 8,691,793.20 and 2,428,384.80

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Solution

The fourth proportional to 5,793,837.60, 8,691,793.20 and 2,428,384.80 is: 3,643,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793,837.60 : 8,691,793.20 = 2,428,384.80 : x
  2. Step 2: Convert to fraction form
    5,793,837.60/8,691,793.20 = 2,428,384.80/x
  3. Step 3: Cross multiply
    5,793,837.60x = 8,691,793.20 × 2,428,384.80
  4. Step 4: Simplify right side
    5,793,837.60x = 21,107,018,491,623.36
  5. Step 5: Solve for x
    x = 21,107,018,491,623.36/5,793,837.60
  6. Step 6: Final answer
    x = 3,643,011.76

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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.