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Finding the Fourth Proportional to 3,965,760.94, 5,948,661.94 and 1,805,275.14

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Solution

The fourth proportional to 3,965,760.94, 5,948,661.94 and 1,805,275.14 is: 2,707,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,760.94 : 5,948,661.94 = 1,805,275.14 : x
  2. Step 2: Convert to fraction form
    3,965,760.94/5,948,661.94 = 1,805,275.14/x
  3. Step 3: Cross multiply
    3,965,760.94x = 5,948,661.94 × 1,805,275.14
  4. Step 4: Simplify right side
    3,965,760.94x = 10,738,971,516,546.17
  5. Step 5: Solve for x
    x = 10,738,971,516,546.17/3,965,760.94
  6. Step 6: Final answer
    x = 2,707,922.06

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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.