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Finding the Fourth Proportional to 3,029.79, 4,544.60 and 838.52

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Solution

The fourth proportional to 3,029.79, 4,544.60 and 838.52 is: 1,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.79 : 4,544.60 = 838.52 : x
  2. Step 2: Convert to fraction form
    3,029.79/4,544.60 = 838.52/x
  3. Step 3: Cross multiply
    3,029.79x = 4,544.60 × 838.52
  4. Step 4: Simplify right side
    3,029.79x = 3,810,711.08
  5. Step 5: Solve for x
    x = 3,810,711.08/3,029.79
  6. Step 6: Final answer
    x = 1,257.75

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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.