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Finding the Fourth Proportional to 29,227.60, 43,783.80 and 16,901.20

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Solution

The fourth proportional to 29,227.60, 43,783.80 and 16,901.20 is: 25,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,227.60 : 43,783.80 = 16,901.20 : x
  2. Step 2: Convert to fraction form
    29,227.60/43,783.80 = 16,901.20/x
  3. Step 3: Cross multiply
    29,227.60x = 43,783.80 × 16,901.20
  4. Step 4: Simplify right side
    29,227.60x = 739,998,760.56
  5. Step 5: Solve for x
    x = 739,998,760.56/29,227.60
  6. Step 6: Final answer
    x = 25,318.49

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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.