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Finding the Fourth Proportional to 5,978,590.97, 8,969,310.05 and 1,935,079.47

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Solution

The fourth proportional to 5,978,590.97, 8,969,310.05 and 1,935,079.47 is: 2,903,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,590.97 : 8,969,310.05 = 1,935,079.47 : x
  2. Step 2: Convert to fraction form
    5,978,590.97/8,969,310.05 = 1,935,079.47/x
  3. Step 3: Cross multiply
    5,978,590.97x = 8,969,310.05 × 1,935,079.47
  4. Step 4: Simplify right side
    5,978,590.97x = 17,356,327,728,144.28
  5. Step 5: Solve for x
    x = 17,356,327,728,144.28/5,978,590.97
  6. Step 6: Final answer
    x = 2,903,079.98

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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.