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Finding the Fourth Proportional to 50,009.60, 74,937.60 and 43,404.80

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Solution

The fourth proportional to 50,009.60, 74,937.60 and 43,404.80 is: 65,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009.60 : 74,937.60 = 43,404.80 : x
  2. Step 2: Convert to fraction form
    50,009.60/74,937.60 = 43,404.80/x
  3. Step 3: Cross multiply
    50,009.60x = 74,937.60 × 43,404.80
  4. Step 4: Simplify right side
    50,009.60x = 3,252,651,540.48
  5. Step 5: Solve for x
    x = 3,252,651,540.48/50,009.60
  6. Step 6: Final answer
    x = 65,040.54

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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.