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Finding the Fourth Proportional to 2,671.42, 4,003.00 and 1,851.29

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Solution

The fourth proportional to 2,671.42, 4,003.00 and 1,851.29 is: 2,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.42 : 4,003.00 = 1,851.29 : x
  2. Step 2: Convert to fraction form
    2,671.42/4,003.00 = 1,851.29/x
  3. Step 3: Cross multiply
    2,671.42x = 4,003.00 × 1,851.29
  4. Step 4: Simplify right side
    2,671.42x = 7,410,719.25
  5. Step 5: Solve for x
    x = 7,410,719.25/2,671.42
  6. Step 6: Final answer
    x = 2,774.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.