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Finding the Fourth Proportional to 33,612.48, 50,415.48 and 10,239.12

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Solution

The fourth proportional to 33,612.48, 50,415.48 and 10,239.12 is: 15,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.48 : 50,415.48 = 10,239.12 : x
  2. Step 2: Convert to fraction form
    33,612.48/50,415.48 = 10,239.12/x
  3. Step 3: Cross multiply
    33,612.48x = 50,415.48 × 10,239.12
  4. Step 4: Simplify right side
    33,612.48x = 516,210,149.58
  5. Step 5: Solve for x
    x = 516,210,149.58/33,612.48
  6. Step 6: Final answer
    x = 15,357.69

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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.