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Finding the Fourth Proportional to 1,482.70, 2,219.22 and 1,092.54

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Solution

The fourth proportional to 1,482.70, 2,219.22 and 1,092.54 is: 1,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.70 : 2,219.22 = 1,092.54 : x
  2. Step 2: Convert to fraction form
    1,482.70/2,219.22 = 1,092.54/x
  3. Step 3: Cross multiply
    1,482.70x = 2,219.22 × 1,092.54
  4. Step 4: Simplify right side
    1,482.70x = 2,424,594.94
  5. Step 5: Solve for x
    x = 2,424,594.94/1,482.70
  6. Step 6: Final answer
    x = 1,635.26

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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.