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Finding the Fourth Proportional to 7,879,462.44, 11,819,555.87 and 2,414,165.87

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Solution

The fourth proportional to 7,879,462.44, 11,819,555.87 and 2,414,165.87 is: 3,621,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,462.44 : 11,819,555.87 = 2,414,165.87 : x
  2. Step 2: Convert to fraction form
    7,879,462.44/11,819,555.87 = 2,414,165.87/x
  3. Step 3: Cross multiply
    7,879,462.44x = 11,819,555.87 × 2,414,165.87
  4. Step 4: Simplify right side
    7,879,462.44x = 28,534,368,308,743.55
  5. Step 5: Solve for x
    x = 28,534,368,308,743.55/7,879,462.44
  6. Step 6: Final answer
    x = 3,621,359.77

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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.