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Finding the Fourth Proportional to 2,714.28, 3,745.41 and 1,535.33

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Solution

The fourth proportional to 2,714.28, 3,745.41 and 1,535.33 is: 2,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.28 : 3,745.41 = 1,535.33 : x
  2. Step 2: Convert to fraction form
    2,714.28/3,745.41 = 1,535.33/x
  3. Step 3: Cross multiply
    2,714.28x = 3,745.41 × 1,535.33
  4. Step 4: Simplify right side
    2,714.28x = 5,750,421.61
  5. Step 5: Solve for x
    x = 5,750,421.61/2,714.28
  6. Step 6: Final answer
    x = 2,118.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.