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Finding the Fourth Proportional to 33,426.51, 50,128.85 and 15,651.68

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Solution

The fourth proportional to 33,426.51, 50,128.85 and 15,651.68 is: 23,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,426.51 : 50,128.85 = 15,651.68 : x
  2. Step 2: Convert to fraction form
    33,426.51/50,128.85 = 15,651.68/x
  3. Step 3: Cross multiply
    33,426.51x = 50,128.85 × 15,651.68
  4. Step 4: Simplify right side
    33,426.51x = 784,600,390.07
  5. Step 5: Solve for x
    x = 784,600,390.07/33,426.51
  6. Step 6: Final answer
    x = 23,472.40

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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.