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Finding the Fourth Proportional to 2,037.80, 3,052.62 and 940.60

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Solution

The fourth proportional to 2,037.80, 3,052.62 and 940.60 is: 1,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.80 : 3,052.62 = 940.60 : x
  2. Step 2: Convert to fraction form
    2,037.80/3,052.62 = 940.60/x
  3. Step 3: Cross multiply
    2,037.80x = 3,052.62 × 940.60
  4. Step 4: Simplify right side
    2,037.80x = 2,871,294.37
  5. Step 5: Solve for x
    x = 2,871,294.37/2,037.80
  6. Step 6: Final answer
    x = 1,409.02

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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.