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Finding the Fourth Proportional to 1,603.85, 2,213.48 and 1,014.44

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Solution

The fourth proportional to 1,603.85, 2,213.48 and 1,014.44 is: 1,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.85 : 2,213.48 = 1,014.44 : x
  2. Step 2: Convert to fraction form
    1,603.85/2,213.48 = 1,014.44/x
  3. Step 3: Cross multiply
    1,603.85x = 2,213.48 × 1,014.44
  4. Step 4: Simplify right side
    1,603.85x = 2,245,437.58
  5. Step 5: Solve for x
    x = 2,245,437.58/1,603.85
  6. Step 6: Final answer
    x = 1,400.03

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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.