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Finding the Fourth Proportional to 5,978,414.66, 8,969,044.88 and 1,934,902.49

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Solution

The fourth proportional to 5,978,414.66, 8,969,044.88 and 1,934,902.49 is: 2,902,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,414.66 : 8,969,044.88 = 1,934,902.49 : x
  2. Step 2: Convert to fraction form
    5,978,414.66/8,969,044.88 = 1,934,902.49/x
  3. Step 3: Cross multiply
    5,978,414.66x = 8,969,044.88 × 1,934,902.49
  4. Step 4: Simplify right side
    5,978,414.66x = 17,354,227,231,225.79
  5. Step 5: Solve for x
    x = 17,354,227,231,225.79/5,978,414.66
  6. Step 6: Final answer
    x = 2,902,814.25

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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.