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Finding the Fourth Proportional to 3,574.77, 5,365.37 and 1,820.94

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Solution

The fourth proportional to 3,574.77, 5,365.37 and 1,820.94 is: 2,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.77 : 5,365.37 = 1,820.94 : x
  2. Step 2: Convert to fraction form
    3,574.77/5,365.37 = 1,820.94/x
  3. Step 3: Cross multiply
    3,574.77x = 5,365.37 × 1,820.94
  4. Step 4: Simplify right side
    3,574.77x = 9,770,016.85
  5. Step 5: Solve for x
    x = 9,770,016.85/3,574.77
  6. Step 6: Final answer
    x = 2,733.05

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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.