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Finding the Fourth Proportional to 1,900.91, 2,625.07 and 1,797.38

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Solution

The fourth proportional to 1,900.91, 2,625.07 and 1,797.38 is: 2,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.91 : 2,625.07 = 1,797.38 : x
  2. Step 2: Convert to fraction form
    1,900.91/2,625.07 = 1,797.38/x
  3. Step 3: Cross multiply
    1,900.91x = 2,625.07 × 1,797.38
  4. Step 4: Simplify right side
    1,900.91x = 4,718,235.19
  5. Step 5: Solve for x
    x = 4,718,235.19/1,900.91
  6. Step 6: Final answer
    x = 2,482.09

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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.