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Finding the Fourth Proportional to 2,698.88, 4,049.53 and 1,544.63

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Solution

The fourth proportional to 2,698.88, 4,049.53 and 1,544.63 is: 2,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.88 : 4,049.53 = 1,544.63 : x
  2. Step 2: Convert to fraction form
    2,698.88/4,049.53 = 1,544.63/x
  3. Step 3: Cross multiply
    2,698.88x = 4,049.53 × 1,544.63
  4. Step 4: Simplify right side
    2,698.88x = 6,255,001.41
  5. Step 5: Solve for x
    x = 6,255,001.41/2,698.88
  6. Step 6: Final answer
    x = 2,317.63

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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.