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Finding the Fourth Proportional to 2,667.52, 3,682.56 and 1,838.08

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Solution

The fourth proportional to 2,667.52, 3,682.56 and 1,838.08 is: 2,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.52 : 3,682.56 = 1,838.08 : x
  2. Step 2: Convert to fraction form
    2,667.52/3,682.56 = 1,838.08/x
  3. Step 3: Cross multiply
    2,667.52x = 3,682.56 × 1,838.08
  4. Step 4: Simplify right side
    2,667.52x = 6,768,839.88
  5. Step 5: Solve for x
    x = 6,768,839.88/2,667.52
  6. Step 6: Final answer
    x = 2,537.50

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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.