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Finding the Fourth Proportional to 28,793.64, 43,190.46 and 16,473

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Solution

The fourth proportional to 28,793.64, 43,190.46 and 16,473 is: 24,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.64 : 43,190.46 = 16,473 : x
  2. Step 2: Convert to fraction form
    28,793.64/43,190.46 = 16,473/x
  3. Step 3: Cross multiply
    28,793.64x = 43,190.46 × 16,473
  4. Step 4: Simplify right side
    28,793.64x = 711,476,447.58
  5. Step 5: Solve for x
    x = 711,476,447.58/28,793.64
  6. Step 6: Final answer
    x = 24,709.50

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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.