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Finding the Fourth Proportional to 5,978,412.97, 8,969,042.37 and 1,934,900.81

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Solution

The fourth proportional to 5,978,412.97, 8,969,042.37 and 1,934,900.81 is: 2,902,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,412.97 : 8,969,042.37 = 1,934,900.81 : x
  2. Step 2: Convert to fraction form
    5,978,412.97/8,969,042.37 = 1,934,900.81/x
  3. Step 3: Cross multiply
    5,978,412.97x = 8,969,042.37 × 1,934,900.81
  4. Step 4: Simplify right side
    5,978,412.97x = 17,354,207,382,248.94
  5. Step 5: Solve for x
    x = 17,354,207,382,248.94/5,978,412.97
  6. Step 6: Final answer
    x = 2,902,811.75

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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.