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Finding the Fourth Proportional to 33,458.55, 50,187.92 and 11,287.50

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Solution

The fourth proportional to 33,458.55, 50,187.92 and 11,287.50 is: 16,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,458.55 : 50,187.92 = 11,287.50 : x
  2. Step 2: Convert to fraction form
    33,458.55/50,187.92 = 11,287.50/x
  3. Step 3: Cross multiply
    33,458.55x = 50,187.92 × 11,287.50
  4. Step 4: Simplify right side
    33,458.55x = 566,496,147
  5. Step 5: Solve for x
    x = 566,496,147/33,458.55
  6. Step 6: Final answer
    x = 16,931.28

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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.