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Finding the Fourth Proportional to 3,826,728.36, 5,740,099.74 and 3,592,894.32

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Solution

The fourth proportional to 3,826,728.36, 5,740,099.74 and 3,592,894.32 is: 5,389,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,728.36 : 5,740,099.74 = 3,592,894.32 : x
  2. Step 2: Convert to fraction form
    3,826,728.36/5,740,099.74 = 3,592,894.32/x
  3. Step 3: Cross multiply
    3,826,728.36x = 5,740,099.74 × 3,592,894.32
  4. Step 4: Simplify right side
    3,826,728.36x = 20,623,571,752,079.48
  5. Step 5: Solve for x
    x = 20,623,571,752,079.48/3,826,728.36
  6. Step 6: Final answer
    x = 5,389,348.24

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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.