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Finding the Fourth Proportional to 3,707,891.40, 5,202,245.40 and 3,707,891.40

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Solution

The fourth proportional to 3,707,891.40, 5,202,245.40 and 3,707,891.40 is: 5,202,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707,891.40 : 5,202,245.40 = 3,707,891.40 : x
  2. Step 2: Convert to fraction form
    3,707,891.40/5,202,245.40 = 3,707,891.40/x
  3. Step 3: Cross multiply
    3,707,891.40x = 5,202,245.40 × 3,707,891.40
  4. Step 4: Simplify right side
    3,707,891.40x = 19,289,360,979,349.56
  5. Step 5: Solve for x
    x = 19,289,360,979,349.56/3,707,891.40
  6. Step 6: Final answer
    x = 5,202,245.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.