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Finding the Fourth Proportional to 49,467.60, 74,212.20 and 16,189.20

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Solution

The fourth proportional to 49,467.60, 74,212.20 and 16,189.20 is: 24,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467.60 : 74,212.20 = 16,189.20 : x
  2. Step 2: Convert to fraction form
    49,467.60/74,212.20 = 16,189.20/x
  3. Step 3: Cross multiply
    49,467.60x = 74,212.20 × 16,189.20
  4. Step 4: Simplify right side
    49,467.60x = 1,201,436,148.24
  5. Step 5: Solve for x
    x = 1,201,436,148.24/49,467.60
  6. Step 6: Final answer
    x = 24,287.33

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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.