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Finding the Fourth Proportional to 3,563,960.74, 4,918,489.77 and 1,954,328.74

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Solution

The fourth proportional to 3,563,960.74, 4,918,489.77 and 1,954,328.74 is: 2,697,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563,960.74 : 4,918,489.77 = 1,954,328.74 : x
  2. Step 2: Convert to fraction form
    3,563,960.74/4,918,489.77 = 1,954,328.74/x
  3. Step 3: Cross multiply
    3,563,960.74x = 4,918,489.77 × 1,954,328.74
  4. Step 4: Simplify right side
    3,563,960.74x = 9,612,345,914,906.99
  5. Step 5: Solve for x
    x = 9,612,345,914,906.99/3,563,960.74
  6. Step 6: Final answer
    x = 2,697,096.47

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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.