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Finding the Fourth Proportional to 2,750.93, 4,125.48 and 1,269.54

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Solution

The fourth proportional to 2,750.93, 4,125.48 and 1,269.54 is: 1,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.93 : 4,125.48 = 1,269.54 : x
  2. Step 2: Convert to fraction form
    2,750.93/4,125.48 = 1,269.54/x
  3. Step 3: Cross multiply
    2,750.93x = 4,125.48 × 1,269.54
  4. Step 4: Simplify right side
    2,750.93x = 5,237,461.88
  5. Step 5: Solve for x
    x = 5,237,461.88/2,750.93
  6. Step 6: Final answer
    x = 1,903.89

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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.