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Finding the Fourth Proportional to 3,755.04, 5,605.06 and 3,311.69

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Solution

The fourth proportional to 3,755.04, 5,605.06 and 3,311.69 is: 4,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.04 : 5,605.06 = 3,311.69 : x
  2. Step 2: Convert to fraction form
    3,755.04/5,605.06 = 3,311.69/x
  3. Step 3: Cross multiply
    3,755.04x = 5,605.06 × 3,311.69
  4. Step 4: Simplify right side
    3,755.04x = 18,562,184.85
  5. Step 5: Solve for x
    x = 18,562,184.85/3,755.04
  6. Step 6: Final answer
    x = 4,943.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.