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Finding the Fourth Proportional to 4,951,670.92, 6,834,521.28 and 3,018,997.06

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Solution

The fourth proportional to 4,951,670.92, 6,834,521.28 and 3,018,997.06 is: 4,166,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951,670.92 : 6,834,521.28 = 3,018,997.06 : x
  2. Step 2: Convert to fraction form
    4,951,670.92/6,834,521.28 = 3,018,997.06/x
  3. Step 3: Cross multiply
    4,951,670.92x = 6,834,521.28 × 3,018,997.06
  4. Step 4: Simplify right side
    4,951,670.92x = 20,633,399,650,827.44
  5. Step 5: Solve for x
    x = 20,633,399,650,827.44/4,951,670.92
  6. Step 6: Final answer
    x = 4,166,956.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.