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Finding the Fourth Proportional to 3,536.94, 4,881.13 and 1,965.03

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Solution

The fourth proportional to 3,536.94, 4,881.13 and 1,965.03 is: 2,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.94 : 4,881.13 = 1,965.03 : x
  2. Step 2: Convert to fraction form
    3,536.94/4,881.13 = 1,965.03/x
  3. Step 3: Cross multiply
    3,536.94x = 4,881.13 × 1,965.03
  4. Step 4: Simplify right side
    3,536.94x = 9,591,566.88
  5. Step 5: Solve for x
    x = 9,591,566.88/3,536.94
  6. Step 6: Final answer
    x = 2,711.83

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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.