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Finding the Fourth Proportional to 10,641,253.59, 15,961,880.59 and 2,554,229.22

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Solution

The fourth proportional to 10,641,253.59, 15,961,880.59 and 2,554,229.22 is: 3,831,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,253.59 : 15,961,880.59 = 2,554,229.22 : x
  2. Step 2: Convert to fraction form
    10,641,253.59/15,961,880.59 = 2,554,229.22/x
  3. Step 3: Cross multiply
    10,641,253.59x = 15,961,880.59 × 2,554,229.22
  4. Step 4: Simplify right side
    10,641,253.59x = 40,770,301,847,039.33
  5. Step 5: Solve for x
    x = 40,770,301,847,039.33/10,641,253.59
  6. Step 6: Final answer
    x = 3,831,343.88

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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.