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Finding the Fourth Proportional to 6,879,949.66, 9,494,336.64 and 3,782,525.77

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Solution

The fourth proportional to 6,879,949.66, 9,494,336.64 and 3,782,525.77 is: 5,219,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,949.66 : 9,494,336.64 = 3,782,525.77 : x
  2. Step 2: Convert to fraction form
    6,879,949.66/9,494,336.64 = 3,782,525.77/x
  3. Step 3: Cross multiply
    6,879,949.66x = 9,494,336.64 × 3,782,525.77
  4. Step 4: Simplify right side
    6,879,949.66x = 35,912,573,009,855.22
  5. Step 5: Solve for x
    x = 35,912,573,009,855.22/6,879,949.66
  6. Step 6: Final answer
    x = 5,219,888.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.