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Finding the Fourth Proportional to 36,661.12, 50,592 and 19,893.76

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Solution

The fourth proportional to 36,661.12, 50,592 and 19,893.76 is: 27,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661.12 : 50,592 = 19,893.76 : x
  2. Step 2: Convert to fraction form
    36,661.12/50,592 = 19,893.76/x
  3. Step 3: Cross multiply
    36,661.12x = 50,592 × 19,893.76
  4. Step 4: Simplify right side
    36,661.12x = 1,006,465,105.92
  5. Step 5: Solve for x
    x = 1,006,465,105.92/36,661.12
  6. Step 6: Final answer
    x = 27,453.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.