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Finding the Fourth Proportional to 39,441.60, 59,176.80 and 16,084.80

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Solution

The fourth proportional to 39,441.60, 59,176.80 and 16,084.80 is: 24,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.60 : 59,176.80 = 16,084.80 : x
  2. Step 2: Convert to fraction form
    39,441.60/59,176.80 = 16,084.80/x
  3. Step 3: Cross multiply
    39,441.60x = 59,176.80 × 16,084.80
  4. Step 4: Simplify right side
    39,441.60x = 951,846,992.64
  5. Step 5: Solve for x
    x = 951,846,992.64/39,441.60
  6. Step 6: Final answer
    x = 24,133.07

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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.