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Finding the Fourth Proportional to 29,141.60, 43,731.60 and 16,661.60

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Solution

The fourth proportional to 29,141.60, 43,731.60 and 16,661.60 is: 25,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.60 : 43,731.60 = 16,661.60 : x
  2. Step 2: Convert to fraction form
    29,141.60/43,731.60 = 16,661.60/x
  3. Step 3: Cross multiply
    29,141.60x = 43,731.60 × 16,661.60
  4. Step 4: Simplify right side
    29,141.60x = 728,638,426.56
  5. Step 5: Solve for x
    x = 728,638,426.56/29,141.60
  6. Step 6: Final answer
    x = 25,003.38

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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.