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Finding the Fourth Proportional to 4,880.88, 7,322.24 and 1,959.41

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Solution

The fourth proportional to 4,880.88, 7,322.24 and 1,959.41 is: 2,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.88 : 7,322.24 = 1,959.41 : x
  2. Step 2: Convert to fraction form
    4,880.88/7,322.24 = 1,959.41/x
  3. Step 3: Cross multiply
    4,880.88x = 7,322.24 × 1,959.41
  4. Step 4: Simplify right side
    4,880.88x = 14,347,270.28
  5. Step 5: Solve for x
    x = 14,347,270.28/4,880.88
  6. Step 6: Final answer
    x = 2,939.48

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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.