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Finding the Fourth Proportional to 2,700.41, 3,725.51 and 1,993.95

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Solution

The fourth proportional to 2,700.41, 3,725.51 and 1,993.95 is: 2,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.41 : 3,725.51 = 1,993.95 : x
  2. Step 2: Convert to fraction form
    2,700.41/3,725.51 = 1,993.95/x
  3. Step 3: Cross multiply
    2,700.41x = 3,725.51 × 1,993.95
  4. Step 4: Simplify right side
    2,700.41x = 7,428,470.69
  5. Step 5: Solve for x
    x = 7,428,470.69/2,700.41
  6. Step 6: Final answer
    x = 2,750.87

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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.