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Finding the Fourth Proportional to 50,965.68, 70,308.09 and 33,066.30

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Solution

The fourth proportional to 50,965.68, 70,308.09 and 33,066.30 is: 45,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,965.68 : 70,308.09 = 33,066.30 : x
  2. Step 2: Convert to fraction form
    50,965.68/70,308.09 = 33,066.30/x
  3. Step 3: Cross multiply
    50,965.68x = 70,308.09 × 33,066.30
  4. Step 4: Simplify right side
    50,965.68x = 2,324,828,396.37
  5. Step 5: Solve for x
    x = 2,324,828,396.37/50,965.68
  6. Step 6: Final answer
    x = 45,615.57

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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.