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Finding the Fourth Proportional to 7,794,440.64, 11,691,666.63 and 2,114,664.48

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Solution

The fourth proportional to 7,794,440.64, 11,691,666.63 and 2,114,664.48 is: 3,171,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794,440.64 : 11,691,666.63 = 2,114,664.48 : x
  2. Step 2: Convert to fraction form
    7,794,440.64/11,691,666.63 = 2,114,664.48/x
  3. Step 3: Cross multiply
    7,794,440.64x = 11,691,666.63 × 2,114,664.48
  4. Step 4: Simplify right side
    7,794,440.64x = 24,723,952,134,462.30
  5. Step 5: Solve for x
    x = 24,723,952,134,462.30/7,794,440.64
  6. Step 6: Final answer
    x = 3,171,998.26

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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.