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Finding the Fourth Proportional to 18,009,917.24, 27,025,635.11 and 16,544,662.88

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Solution

The fourth proportional to 18,009,917.24, 27,025,635.11 and 16,544,662.88 is: 24,826,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009,917.24 : 27,025,635.11 = 16,544,662.88 : x
  2. Step 2: Convert to fraction form
    18,009,917.24/27,025,635.11 = 16,544,662.88/x
  3. Step 3: Cross multiply
    18,009,917.24x = 27,025,635.11 × 16,544,662.88
  4. Step 4: Simplify right side
    18,009,917.24x = 447,130,021,997,682.50
  5. Step 5: Solve for x
    x = 447,130,021,997,682.50/18,009,917.24
  6. Step 6: Final answer
    x = 24,826,878.21

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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.