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Finding the Fourth Proportional to 33,750.86, 50,619.20 and 15,495.20

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Solution

The fourth proportional to 33,750.86, 50,619.20 and 15,495.20 is: 23,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,750.86 : 50,619.20 = 15,495.20 : x
  2. Step 2: Convert to fraction form
    33,750.86/50,619.20 = 15,495.20/x
  3. Step 3: Cross multiply
    33,750.86x = 50,619.20 × 15,495.20
  4. Step 4: Simplify right side
    33,750.86x = 784,354,627.84
  5. Step 5: Solve for x
    x = 784,354,627.84/33,750.86
  6. Step 6: Final answer
    x = 23,239.54

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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.