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Finding the Fourth Proportional to 5,669,663.72, 8,508,481.52 and 5,127,593.90

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Solution

The fourth proportional to 5,669,663.72, 8,508,481.52 and 5,127,593.90 is: 7,694,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669,663.72 : 8,508,481.52 = 5,127,593.90 : x
  2. Step 2: Convert to fraction form
    5,669,663.72/8,508,481.52 = 5,127,593.90/x
  3. Step 3: Cross multiply
    5,669,663.72x = 8,508,481.52 × 5,127,593.90
  4. Step 4: Simplify right side
    5,669,663.72x = 43,628,037,872,034.35
  5. Step 5: Solve for x
    x = 43,628,037,872,034.35/5,669,663.72
  6. Step 6: Final answer
    x = 7,694,995.69

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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.