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Finding the Fourth Proportional to 22,653,610.62, 31,259,652.48 and 12,728,917.14

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Solution

The fourth proportional to 22,653,610.62, 31,259,652.48 and 12,728,917.14 is: 17,564,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653,610.62 : 31,259,652.48 = 12,728,917.14 : x
  2. Step 2: Convert to fraction form
    22,653,610.62/31,259,652.48 = 12,728,917.14/x
  3. Step 3: Cross multiply
    22,653,610.62x = 31,259,652.48 × 12,728,917.14
  4. Step 4: Simplify right side
    22,653,610.62x = 397,901,526,243,115.56
  5. Step 5: Solve for x
    x = 397,901,526,243,115.56/22,653,610.62
  6. Step 6: Final answer
    x = 17,564,596.34

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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.