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Finding the Fourth Proportional to 49,074.60, 73,575.90 and 19,477.80

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Solution

The fourth proportional to 49,074.60, 73,575.90 and 19,477.80 is: 29,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074.60 : 73,575.90 = 19,477.80 : x
  2. Step 2: Convert to fraction form
    49,074.60/73,575.90 = 19,477.80/x
  3. Step 3: Cross multiply
    49,074.60x = 73,575.90 × 19,477.80
  4. Step 4: Simplify right side
    49,074.60x = 1,433,096,665.02
  5. Step 5: Solve for x
    x = 1,433,096,665.02/49,074.60
  6. Step 6: Final answer
    x = 29,202.41

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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.