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Finding the Fourth Proportional to 50,577.60, 75,801.60 and 45,004.80

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Solution

The fourth proportional to 50,577.60, 75,801.60 and 45,004.80 is: 67,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,577.60 : 75,801.60 = 45,004.80 : x
  2. Step 2: Convert to fraction form
    50,577.60/75,801.60 = 45,004.80/x
  3. Step 3: Cross multiply
    50,577.60x = 75,801.60 × 45,004.80
  4. Step 4: Simplify right side
    50,577.60x = 3,411,435,847.68
  5. Step 5: Solve for x
    x = 3,411,435,847.68/50,577.60
  6. Step 6: Final answer
    x = 67,449.54

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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.