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Finding the Fourth Proportional to 50,914.83, 70,293.38 and 39,562.88

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Solution

The fourth proportional to 50,914.83, 70,293.38 and 39,562.88 is: 54,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.83 : 70,293.38 = 39,562.88 : x
  2. Step 2: Convert to fraction form
    50,914.83/70,293.38 = 39,562.88/x
  3. Step 3: Cross multiply
    50,914.83x = 70,293.38 × 39,562.88
  4. Step 4: Simplify right side
    50,914.83x = 2,781,008,535.65
  5. Step 5: Solve for x
    x = 2,781,008,535.65/50,914.83
  6. Step 6: Final answer
    x = 54,620.80

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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.