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Finding the Fourth Proportional to 3,091.50, 4,267.35 and 1,849.50

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Solution

The fourth proportional to 3,091.50, 4,267.35 and 1,849.50 is: 2,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.50 : 4,267.35 = 1,849.50 : x
  2. Step 2: Convert to fraction form
    3,091.50/4,267.35 = 1,849.50/x
  3. Step 3: Cross multiply
    3,091.50x = 4,267.35 × 1,849.50
  4. Step 4: Simplify right side
    3,091.50x = 7,892,463.83
  5. Step 5: Solve for x
    x = 7,892,463.83/3,091.50
  6. Step 6: Final answer
    x = 2,552.96

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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.