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Finding the Fourth Proportional to 2,035.64, 3,054.27 and 940.25

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Solution

The fourth proportional to 2,035.64, 3,054.27 and 940.25 is: 1,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.64 : 3,054.27 = 940.25 : x
  2. Step 2: Convert to fraction form
    2,035.64/3,054.27 = 940.25/x
  3. Step 3: Cross multiply
    2,035.64x = 3,054.27 × 940.25
  4. Step 4: Simplify right side
    2,035.64x = 2,871,777.37
  5. Step 5: Solve for x
    x = 2,871,777.37/2,035.64
  6. Step 6: Final answer
    x = 1,410.75

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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.