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Finding the Fourth Proportional to 41,209.80, 61,830.90 and 16,245.60

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Solution

The fourth proportional to 41,209.80, 61,830.90 and 16,245.60 is: 24,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,209.80 : 61,830.90 = 16,245.60 : x
  2. Step 2: Convert to fraction form
    41,209.80/61,830.90 = 16,245.60/x
  3. Step 3: Cross multiply
    41,209.80x = 61,830.90 × 16,245.60
  4. Step 4: Simplify right side
    41,209.80x = 1,004,480,069.04
  5. Step 5: Solve for x
    x = 1,004,480,069.04/41,209.80
  6. Step 6: Final answer
    x = 24,374.79

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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.