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Finding the Fourth Proportional to 3,050.84, 4,208 and 1,872.56

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Solution

The fourth proportional to 3,050.84, 4,208 and 1,872.56 is: 2,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.84 : 4,208 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    3,050.84/4,208 = 1,872.56/x
  3. Step 3: Cross multiply
    3,050.84x = 4,208 × 1,872.56
  4. Step 4: Simplify right side
    3,050.84x = 7,879,732.48
  5. Step 5: Solve for x
    x = 7,879,732.48/3,050.84
  6. Step 6: Final answer
    x = 2,582.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.