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Finding the Fourth Proportional to 10,616,471.05, 15,936,680.40 and 7,029,244.30

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Solution

The fourth proportional to 10,616,471.05, 15,936,680.40 and 7,029,244.30 is: 10,551,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616,471.05 : 15,936,680.40 = 7,029,244.30 : x
  2. Step 2: Convert to fraction form
    10,616,471.05/15,936,680.40 = 7,029,244.30/x
  3. Step 3: Cross multiply
    10,616,471.05x = 15,936,680.40 × 7,029,244.30
  4. Step 4: Simplify right side
    10,616,471.05x = 112,022,819,862,621.72
  5. Step 5: Solve for x
    x = 112,022,819,862,621.72/10,616,471.05
  6. Step 6: Final answer
    x = 10,551,794.41

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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.