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Finding the Fourth Proportional to 33,929.60, 50,908.80 and 16,390.40

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Solution

The fourth proportional to 33,929.60, 50,908.80 and 16,390.40 is: 24,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,929.60 : 50,908.80 = 16,390.40 : x
  2. Step 2: Convert to fraction form
    33,929.60/50,908.80 = 16,390.40/x
  3. Step 3: Cross multiply
    33,929.60x = 50,908.80 × 16,390.40
  4. Step 4: Simplify right side
    33,929.60x = 834,415,595.52
  5. Step 5: Solve for x
    x = 834,415,595.52/33,929.60
  6. Step 6: Final answer
    x = 24,592.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.