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Finding the Fourth Proportional to 49,013.60, 73,455.60 and 43,440.80

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Solution

The fourth proportional to 49,013.60, 73,455.60 and 43,440.80 is: 65,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,013.60 : 73,455.60 = 43,440.80 : x
  2. Step 2: Convert to fraction form
    49,013.60/73,455.60 = 43,440.80/x
  3. Step 3: Cross multiply
    49,013.60x = 73,455.60 × 43,440.80
  4. Step 4: Simplify right side
    49,013.60x = 3,190,970,028.48
  5. Step 5: Solve for x
    x = 3,190,970,028.48/49,013.60
  6. Step 6: Final answer
    x = 65,103.77

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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.