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Finding the Fourth Proportional to 50,673.44, 69,931.68 and 30,536.84

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Solution

The fourth proportional to 50,673.44, 69,931.68 and 30,536.84 is: 42,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,673.44 : 69,931.68 = 30,536.84 : x
  2. Step 2: Convert to fraction form
    50,673.44/69,931.68 = 30,536.84/x
  3. Step 3: Cross multiply
    50,673.44x = 69,931.68 × 30,536.84
  4. Step 4: Simplify right side
    50,673.44x = 2,135,492,523.09
  5. Step 5: Solve for x
    x = 2,135,492,523.09/50,673.44
  6. Step 6: Final answer
    x = 42,142.24

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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.