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Finding the Fourth Proportional to 2,704.50, 4,055.13 and 948.54

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Solution

The fourth proportional to 2,704.50, 4,055.13 and 948.54 is: 1,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.50 : 4,055.13 = 948.54 : x
  2. Step 2: Convert to fraction form
    2,704.50/4,055.13 = 948.54/x
  3. Step 3: Cross multiply
    2,704.50x = 4,055.13 × 948.54
  4. Step 4: Simplify right side
    2,704.50x = 3,846,453.01
  5. Step 5: Solve for x
    x = 3,846,453.01/2,704.50
  6. Step 6: Final answer
    x = 1,422.24

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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.