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Finding the Fourth Proportional to 2,698.02, 4,048.89 and 1,774.02

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Solution

The fourth proportional to 2,698.02, 4,048.89 and 1,774.02 is: 2,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.02 : 4,048.89 = 1,774.02 : x
  2. Step 2: Convert to fraction form
    2,698.02/4,048.89 = 1,774.02/x
  3. Step 3: Cross multiply
    2,698.02x = 4,048.89 × 1,774.02
  4. Step 4: Simplify right side
    2,698.02x = 7,182,811.84
  5. Step 5: Solve for x
    x = 7,182,811.84/2,698.02
  6. Step 6: Final answer
    x = 2,662.25

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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.