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Finding the Fourth Proportional to 5,494,857.54, 8,243,542.01 and 1,900,621.45

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Solution

The fourth proportional to 5,494,857.54, 8,243,542.01 and 1,900,621.45 is: 2,851,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494,857.54 : 8,243,542.01 = 1,900,621.45 : x
  2. Step 2: Convert to fraction form
    5,494,857.54/8,243,542.01 = 1,900,621.45/x
  3. Step 3: Cross multiply
    5,494,857.54x = 8,243,542.01 × 1,900,621.45
  4. Step 4: Simplify right side
    5,494,857.54x = 15,667,852,758,679.01
  5. Step 5: Solve for x
    x = 15,667,852,758,679.01/5,494,857.54
  6. Step 6: Final answer
    x = 2,851,366.51

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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.