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Finding the Fourth Proportional to 3,573, 4,930.33 and 2,080.60

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Solution

The fourth proportional to 3,573, 4,930.33 and 2,080.60 is: 2,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573 : 4,930.33 = 2,080.60 : x
  2. Step 2: Convert to fraction form
    3,573/4,930.33 = 2,080.60/x
  3. Step 3: Cross multiply
    3,573x = 4,930.33 × 2,080.60
  4. Step 4: Simplify right side
    3,573x = 10,258,044.60
  5. Step 5: Solve for x
    x = 10,258,044.60/3,573
  6. Step 6: Final answer
    x = 2,870.99

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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.