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Finding the Fourth Proportional to 5,244,892.50, 7,867,784.36 and 1,458,375.38

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Solution

The fourth proportional to 5,244,892.50, 7,867,784.36 and 1,458,375.38 is: 2,187,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244,892.50 : 7,867,784.36 = 1,458,375.38 : x
  2. Step 2: Convert to fraction form
    5,244,892.50/7,867,784.36 = 1,458,375.38/x
  3. Step 3: Cross multiply
    5,244,892.50x = 7,867,784.36 × 1,458,375.38
  4. Step 4: Simplify right side
    5,244,892.50x = 11,474,182,959,142.26
  5. Step 5: Solve for x
    x = 11,474,182,959,142.26/5,244,892.50
  6. Step 6: Final answer
    x = 2,187,686.97

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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.