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Finding the Fourth Proportional to 3,322.64, 4,984.50 and 1,243.37

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Solution

The fourth proportional to 3,322.64, 4,984.50 and 1,243.37 is: 1,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.64 : 4,984.50 = 1,243.37 : x
  2. Step 2: Convert to fraction form
    3,322.64/4,984.50 = 1,243.37/x
  3. Step 3: Cross multiply
    3,322.64x = 4,984.50 × 1,243.37
  4. Step 4: Simplify right side
    3,322.64x = 6,197,552.84
  5. Step 5: Solve for x
    x = 6,197,552.84/3,322.64
  6. Step 6: Final answer
    x = 1,865.25

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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.