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Finding the Fourth Proportional to 50,879.32, 70,231.63 and 34,735.07

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Solution

The fourth proportional to 50,879.32, 70,231.63 and 34,735.07 is: 47,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,879.32 : 70,231.63 = 34,735.07 : x
  2. Step 2: Convert to fraction form
    50,879.32/70,231.63 = 34,735.07/x
  3. Step 3: Cross multiply
    50,879.32x = 70,231.63 × 34,735.07
  4. Step 4: Simplify right side
    50,879.32x = 2,439,500,584.26
  5. Step 5: Solve for x
    x = 2,439,500,584.26/50,879.32
  6. Step 6: Final answer
    x = 47,946.80

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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.