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Finding the Fourth Proportional to 2,762.54, 4,143.19 and 1,300.89

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Solution

The fourth proportional to 2,762.54, 4,143.19 and 1,300.89 is: 1,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.54 : 4,143.19 = 1,300.89 : x
  2. Step 2: Convert to fraction form
    2,762.54/4,143.19 = 1,300.89/x
  3. Step 3: Cross multiply
    2,762.54x = 4,143.19 × 1,300.89
  4. Step 4: Simplify right side
    2,762.54x = 5,389,834.44
  5. Step 5: Solve for x
    x = 5,389,834.44/2,762.54
  6. Step 6: Final answer
    x = 1,951.04

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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.