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Finding the Fourth Proportional to 12,569,093.85, 18,853,616.16 and 3,471,168.38

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Solution

The fourth proportional to 12,569,093.85, 18,853,616.16 and 3,471,168.38 is: 5,206,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569,093.85 : 18,853,616.16 = 3,471,168.38 : x
  2. Step 2: Convert to fraction form
    12,569,093.85/18,853,616.16 = 3,471,168.38/x
  3. Step 3: Cross multiply
    12,569,093.85x = 18,853,616.16 × 3,471,168.38
  4. Step 4: Simplify right side
    12,569,093.85x = 65,444,076,263,249.02
  5. Step 5: Solve for x
    x = 65,444,076,263,249.02/12,569,093.85
  6. Step 6: Final answer
    x = 5,206,745.77

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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.