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Finding the Fourth Proportional to 4,928.73, 7,393.77 and 1,808.34

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Solution

The fourth proportional to 4,928.73, 7,393.77 and 1,808.34 is: 2,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.73 : 7,393.77 = 1,808.34 : x
  2. Step 2: Convert to fraction form
    4,928.73/7,393.77 = 1,808.34/x
  3. Step 3: Cross multiply
    4,928.73x = 7,393.77 × 1,808.34
  4. Step 4: Simplify right side
    4,928.73x = 13,370,450.04
  5. Step 5: Solve for x
    x = 13,370,450.04/4,928.73
  6. Step 6: Final answer
    x = 2,712.76

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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.