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Finding the Fourth Proportional to 50,640.60, 75,960.90 and 48,696.60

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Solution

The fourth proportional to 50,640.60, 75,960.90 and 48,696.60 is: 73,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.60 : 75,960.90 = 48,696.60 : x
  2. Step 2: Convert to fraction form
    50,640.60/75,960.90 = 48,696.60/x
  3. Step 3: Cross multiply
    50,640.60x = 75,960.90 × 48,696.60
  4. Step 4: Simplify right side
    50,640.60x = 3,699,037,562.94
  5. Step 5: Solve for x
    x = 3,699,037,562.94/50,640.60
  6. Step 6: Final answer
    x = 73,044.90

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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.