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Finding the Fourth Proportional to 6,348,786.11, 9,520,843.14 and 2,193,130.29

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Solution

The fourth proportional to 6,348,786.11, 9,520,843.14 and 2,193,130.29 is: 3,288,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348,786.11 : 9,520,843.14 = 2,193,130.29 : x
  2. Step 2: Convert to fraction form
    6,348,786.11/9,520,843.14 = 2,193,130.29/x
  3. Step 3: Cross multiply
    6,348,786.11x = 9,520,843.14 × 2,193,130.29
  4. Step 4: Simplify right side
    6,348,786.11x = 20,880,449,476,672.71
  5. Step 5: Solve for x
    x = 20,880,449,476,672.71/6,348,786.11
  6. Step 6: Final answer
    x = 3,288,888.48

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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.