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Finding the Fourth Proportional to 2,698.38, 4,048.14 and 850.02

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Solution

The fourth proportional to 2,698.38, 4,048.14 and 850.02 is: 1,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.38 : 4,048.14 = 850.02 : x
  2. Step 2: Convert to fraction form
    2,698.38/4,048.14 = 850.02/x
  3. Step 3: Cross multiply
    2,698.38x = 4,048.14 × 850.02
  4. Step 4: Simplify right side
    2,698.38x = 3,440,999.96
  5. Step 5: Solve for x
    x = 3,440,999.96/2,698.38
  6. Step 6: Final answer
    x = 1,275.21

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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.