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Finding the Fourth Proportional to 5,683.53, 8,519.73 and 2,721.14

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Solution

The fourth proportional to 5,683.53, 8,519.73 and 2,721.14 is: 4,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.53 : 8,519.73 = 2,721.14 : x
  2. Step 2: Convert to fraction form
    5,683.53/8,519.73 = 2,721.14/x
  3. Step 3: Cross multiply
    5,683.53x = 8,519.73 × 2,721.14
  4. Step 4: Simplify right side
    5,683.53x = 23,183,378.09
  5. Step 5: Solve for x
    x = 23,183,378.09/5,683.53
  6. Step 6: Final answer
    x = 4,079.05

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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.