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Finding the Fourth Proportional to 11,969,388.11, 17,956,604.06 and 3,881,733.12

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Solution

The fourth proportional to 11,969,388.11, 17,956,604.06 and 3,881,733.12 is: 5,823,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,388.11 : 17,956,604.06 = 3,881,733.12 : x
  2. Step 2: Convert to fraction form
    11,969,388.11/17,956,604.06 = 3,881,733.12/x
  3. Step 3: Cross multiply
    11,969,388.11x = 17,956,604.06 × 3,881,733.12
  4. Step 4: Simplify right side
    11,969,388.11x = 69,702,744,683,019.80
  5. Step 5: Solve for x
    x = 69,702,744,683,019.80/11,969,388.11
  6. Step 6: Final answer
    x = 5,823,417.54

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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.