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Finding the Fourth Proportional to 1,644.18, 2,269.17 and 1,014.54

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Solution

The fourth proportional to 1,644.18, 2,269.17 and 1,014.54 is: 1,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.18 : 2,269.17 = 1,014.54 : x
  2. Step 2: Convert to fraction form
    1,644.18/2,269.17 = 1,014.54/x
  3. Step 3: Cross multiply
    1,644.18x = 2,269.17 × 1,014.54
  4. Step 4: Simplify right side
    1,644.18x = 2,302,163.73
  5. Step 5: Solve for x
    x = 2,302,163.73/1,644.18
  6. Step 6: Final answer
    x = 1,400.19

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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.