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Finding the Fourth Proportional to 2,759.47, 3,806.39 and 1,750.82

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Solution

The fourth proportional to 2,759.47, 3,806.39 and 1,750.82 is: 2,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.47 : 3,806.39 = 1,750.82 : x
  2. Step 2: Convert to fraction form
    2,759.47/3,806.39 = 1,750.82/x
  3. Step 3: Cross multiply
    2,759.47x = 3,806.39 × 1,750.82
  4. Step 4: Simplify right side
    2,759.47x = 6,664,289.08
  5. Step 5: Solve for x
    x = 6,664,289.08/2,759.47
  6. Step 6: Final answer
    x = 2,415.06

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1.5x scale

Why These Related Problems?

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