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Finding the Fourth Proportional to 2,149.59, 3,224.25 and 1,283.25

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Solution

The fourth proportional to 2,149.59, 3,224.25 and 1,283.25 is: 1,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.59 : 3,224.25 = 1,283.25 : x
  2. Step 2: Convert to fraction form
    2,149.59/3,224.25 = 1,283.25/x
  3. Step 3: Cross multiply
    2,149.59x = 3,224.25 × 1,283.25
  4. Step 4: Simplify right side
    2,149.59x = 4,137,518.81
  5. Step 5: Solve for x
    x = 4,137,518.81/2,149.59
  6. Step 6: Final answer
    x = 1,924.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.