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Finding the Fourth Proportional to 3,228.86, 4,848.15 and 1,843.76

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Solution

The fourth proportional to 3,228.86, 4,848.15 and 1,843.76 is: 2,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.86 : 4,848.15 = 1,843.76 : x
  2. Step 2: Convert to fraction form
    3,228.86/4,848.15 = 1,843.76/x
  3. Step 3: Cross multiply
    3,228.86x = 4,848.15 × 1,843.76
  4. Step 4: Simplify right side
    3,228.86x = 8,938,825.04
  5. Step 5: Solve for x
    x = 8,938,825.04/3,228.86
  6. Step 6: Final answer
    x = 2,768.42

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1.5x scale

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.