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Finding the Fourth Proportional to 3,582.38, 5,375.30 and 1,851.02

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Solution

The fourth proportional to 3,582.38, 5,375.30 and 1,851.02 is: 2,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.38 : 5,375.30 = 1,851.02 : x
  2. Step 2: Convert to fraction form
    3,582.38/5,375.30 = 1,851.02/x
  3. Step 3: Cross multiply
    3,582.38x = 5,375.30 × 1,851.02
  4. Step 4: Simplify right side
    3,582.38x = 9,949,787.81
  5. Step 5: Solve for x
    x = 9,949,787.81/3,582.38
  6. Step 6: Final answer
    x = 2,777.42

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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.