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Finding the Fourth Proportional to 5,314,906.80, 7,972,360.20 and 4,252,024.80

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Solution

The fourth proportional to 5,314,906.80, 7,972,360.20 and 4,252,024.80 is: 6,378,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,906.80 : 7,972,360.20 = 4,252,024.80 : x
  2. Step 2: Convert to fraction form
    5,314,906.80/7,972,360.20 = 4,252,024.80/x
  3. Step 3: Cross multiply
    5,314,906.80x = 7,972,360.20 × 4,252,024.80
  4. Step 4: Simplify right side
    5,314,906.80x = 33,898,673,284,932.96
  5. Step 5: Solve for x
    x = 33,898,673,284,932.96/5,314,906.80
  6. Step 6: Final answer
    x = 6,378,037.20

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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.