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Finding the Fourth Proportional to 50,615.57, 69,811.74 and 44,879.76

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Solution

The fourth proportional to 50,615.57, 69,811.74 and 44,879.76 is: 61,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,615.57 : 69,811.74 = 44,879.76 : x
  2. Step 2: Convert to fraction form
    50,615.57/69,811.74 = 44,879.76/x
  3. Step 3: Cross multiply
    50,615.57x = 69,811.74 × 44,879.76
  4. Step 4: Simplify right side
    50,615.57x = 3,133,134,136.38
  5. Step 5: Solve for x
    x = 3,133,134,136.38/50,615.57
  6. Step 6: Final answer
    x = 61,900.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.