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Finding the Fourth Proportional to 5,673,940.62, 8,515,446.21 and 2,942,264.22

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Solution

The fourth proportional to 5,673,940.62, 8,515,446.21 and 2,942,264.22 is: 4,415,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673,940.62 : 8,515,446.21 = 2,942,264.22 : x
  2. Step 2: Convert to fraction form
    5,673,940.62/8,515,446.21 = 2,942,264.22/x
  3. Step 3: Cross multiply
    5,673,940.62x = 8,515,446.21 × 2,942,264.22
  4. Step 4: Simplify right side
    5,673,940.62x = 25,054,692,701,017.61
  5. Step 5: Solve for x
    x = 25,054,692,701,017.61/5,673,940.62
  6. Step 6: Final answer
    x = 4,415,748.13

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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.