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Finding the Fourth Proportional to 3,049.54, 4,570.79 and 1,384.92

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Solution

The fourth proportional to 3,049.54, 4,570.79 and 1,384.92 is: 2,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.54 : 4,570.79 = 1,384.92 : x
  2. Step 2: Convert to fraction form
    3,049.54/4,570.79 = 1,384.92/x
  3. Step 3: Cross multiply
    3,049.54x = 4,570.79 × 1,384.92
  4. Step 4: Simplify right side
    3,049.54x = 6,330,171.56
  5. Step 5: Solve for x
    x = 6,330,171.56/3,049.54
  6. Step 6: Final answer
    x = 2,075.78

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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.