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Finding the Fourth Proportional to 6,879,954.65, 9,494,343.54 and 3,782,530.76

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Solution

The fourth proportional to 6,879,954.65, 9,494,343.54 and 3,782,530.76 is: 5,219,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,954.65 : 9,494,343.54 = 3,782,530.76 : x
  2. Step 2: Convert to fraction form
    6,879,954.65/9,494,343.54 = 3,782,530.76/x
  3. Step 3: Cross multiply
    6,879,954.65x = 9,494,343.54 × 3,782,530.76
  4. Step 4: Simplify right side
    6,879,954.65x = 35,912,646,438,585.57
  5. Step 5: Solve for x
    x = 35,912,646,438,585.57/6,879,954.65
  6. Step 6: Final answer
    x = 5,219,895.81

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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.