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Finding the Fourth Proportional to 14,873,404, 20,525,297.84 and 8,434,876

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Solution

The fourth proportional to 14,873,404, 20,525,297.84 and 8,434,876 is: 11,640,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873,404 : 20,525,297.84 = 8,434,876 : x
  2. Step 2: Convert to fraction form
    14,873,404/20,525,297.84 = 8,434,876/x
  3. Step 3: Cross multiply
    14,873,404x = 20,525,297.84 × 8,434,876
  4. Step 4: Simplify right side
    14,873,404x = 173,128,342,143,467.84
  5. Step 5: Solve for x
    x = 173,128,342,143,467.84/14,873,404
  6. Step 6: Final answer
    x = 11,640,129.06

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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.