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Finding the Fourth Proportional to 33,679.28, 50,527.50 and 9,987.69

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Solution

The fourth proportional to 33,679.28, 50,527.50 and 9,987.69 is: 14,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.28 : 50,527.50 = 9,987.69 : x
  2. Step 2: Convert to fraction form
    33,679.28/50,527.50 = 9,987.69/x
  3. Step 3: Cross multiply
    33,679.28x = 50,527.50 × 9,987.69
  4. Step 4: Simplify right side
    33,679.28x = 504,653,006.48
  5. Step 5: Solve for x
    x = 504,653,006.48/33,679.28
  6. Step 6: Final answer
    x = 14,984.08

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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.