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Finding the Fourth Proportional to 1,813.73, 2,520.24 and 1,806.44

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Solution

The fourth proportional to 1,813.73, 2,520.24 and 1,806.44 is: 2,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.73 : 2,520.24 = 1,806.44 : x
  2. Step 2: Convert to fraction form
    1,813.73/2,520.24 = 1,806.44/x
  3. Step 3: Cross multiply
    1,813.73x = 2,520.24 × 1,806.44
  4. Step 4: Simplify right side
    1,813.73x = 4,552,662.35
  5. Step 5: Solve for x
    x = 4,552,662.35/1,813.73
  6. Step 6: Final answer
    x = 2,510.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.