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Finding the Fourth Proportional to 3,003.85, 4,503.17 and 1,443.07

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Solution

The fourth proportional to 3,003.85, 4,503.17 and 1,443.07 is: 2,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.85 : 4,503.17 = 1,443.07 : x
  2. Step 2: Convert to fraction form
    3,003.85/4,503.17 = 1,443.07/x
  3. Step 3: Cross multiply
    3,003.85x = 4,503.17 × 1,443.07
  4. Step 4: Simplify right side
    3,003.85x = 6,498,382.32
  5. Step 5: Solve for x
    x = 6,498,382.32/3,003.85
  6. Step 6: Final answer
    x = 2,163.35

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1.5x scale

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.