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Finding the Fourth Proportional to 49,230.40, 73,845.60 and 19,652.80

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Solution

The fourth proportional to 49,230.40, 73,845.60 and 19,652.80 is: 29,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,230.40 : 73,845.60 = 19,652.80 : x
  2. Step 2: Convert to fraction form
    49,230.40/73,845.60 = 19,652.80/x
  3. Step 3: Cross multiply
    49,230.40x = 73,845.60 × 19,652.80
  4. Step 4: Simplify right side
    49,230.40x = 1,451,272,807.68
  5. Step 5: Solve for x
    x = 1,451,272,807.68/49,230.40
  6. Step 6: Final answer
    x = 29,479.20

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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.