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Finding the Fourth Proportional to 3,503,794.32, 4,835,249.64 and 1,955,121.30

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Solution

The fourth proportional to 3,503,794.32, 4,835,249.64 and 1,955,121.30 is: 2,698,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,794.32 : 4,835,249.64 = 1,955,121.30 : x
  2. Step 2: Convert to fraction form
    3,503,794.32/4,835,249.64 = 1,955,121.30/x
  3. Step 3: Cross multiply
    3,503,794.32x = 4,835,249.64 × 1,955,121.30
  4. Step 4: Simplify right side
    3,503,794.32x = 9,453,499,561,981.33
  5. Step 5: Solve for x
    x = 9,453,499,561,981.33/3,503,794.32
  6. Step 6: Final answer
    x = 2,698,074.91

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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.