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Finding the Fourth Proportional to 2,760.99, 3,810.18 and 1,582.02

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Solution

The fourth proportional to 2,760.99, 3,810.18 and 1,582.02 is: 2,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.99 : 3,810.18 = 1,582.02 : x
  2. Step 2: Convert to fraction form
    2,760.99/3,810.18 = 1,582.02/x
  3. Step 3: Cross multiply
    2,760.99x = 3,810.18 × 1,582.02
  4. Step 4: Simplify right side
    2,760.99x = 6,027,780.96
  5. Step 5: Solve for x
    x = 6,027,780.96/2,760.99
  6. Step 6: Final answer
    x = 2,183.20

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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.