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Finding the Fourth Proportional to 2,751.90, 4,125.69 and 1,883.58

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Solution

The fourth proportional to 2,751.90, 4,125.69 and 1,883.58 is: 2,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.90 : 4,125.69 = 1,883.58 : x
  2. Step 2: Convert to fraction form
    2,751.90/4,125.69 = 1,883.58/x
  3. Step 3: Cross multiply
    2,751.90x = 4,125.69 × 1,883.58
  4. Step 4: Simplify right side
    2,751.90x = 7,771,067.17
  5. Step 5: Solve for x
    x = 7,771,067.17/2,751.90
  6. Step 6: Final answer
    x = 2,823.89

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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.