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Finding the Fourth Proportional to 2,803.01, 3,868.01 and 1,683.73

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Solution

The fourth proportional to 2,803.01, 3,868.01 and 1,683.73 is: 2,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.01 : 3,868.01 = 1,683.73 : x
  2. Step 2: Convert to fraction form
    2,803.01/3,868.01 = 1,683.73/x
  3. Step 3: Cross multiply
    2,803.01x = 3,868.01 × 1,683.73
  4. Step 4: Simplify right side
    2,803.01x = 6,512,665.14
  5. Step 5: Solve for x
    x = 6,512,665.14/2,803.01
  6. Step 6: Final answer
    x = 2,323.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.