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Finding the Fourth Proportional to 33,887.97, 50,812.29 and 12,829.64

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Solution

The fourth proportional to 33,887.97, 50,812.29 and 12,829.64 is: 19,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.97 : 50,812.29 = 12,829.64 : x
  2. Step 2: Convert to fraction form
    33,887.97/50,812.29 = 12,829.64/x
  3. Step 3: Cross multiply
    33,887.97x = 50,812.29 × 12,829.64
  4. Step 4: Simplify right side
    33,887.97x = 651,903,134.21
  5. Step 5: Solve for x
    x = 651,903,134.21/33,887.97
  6. Step 6: Final answer
    x = 19,237.01

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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.