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Finding the Fourth Proportional to 1,444.55, 1,993.03 and 884.73

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Solution

The fourth proportional to 1,444.55, 1,993.03 and 884.73 is: 1,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.55 : 1,993.03 = 884.73 : x
  2. Step 2: Convert to fraction form
    1,444.55/1,993.03 = 884.73/x
  3. Step 3: Cross multiply
    1,444.55x = 1,993.03 × 884.73
  4. Step 4: Simplify right side
    1,444.55x = 1,763,291.22
  5. Step 5: Solve for x
    x = 1,763,291.22/1,444.55
  6. Step 6: Final answer
    x = 1,220.65

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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.