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Finding the Fourth Proportional to 1,644.15, 2,270.22 and 1,014.99

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Solution

The fourth proportional to 1,644.15, 2,270.22 and 1,014.99 is: 1,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.15 : 2,270.22 = 1,014.99 : x
  2. Step 2: Convert to fraction form
    1,644.15/2,270.22 = 1,014.99/x
  3. Step 3: Cross multiply
    1,644.15x = 2,270.22 × 1,014.99
  4. Step 4: Simplify right side
    1,644.15x = 2,304,250.60
  5. Step 5: Solve for x
    x = 2,304,250.60/1,644.15
  6. Step 6: Final answer
    x = 1,401.48

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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.