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Finding the Fourth Proportional to 50,591.34, 75,890.67 and 19,426.59

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Solution

The fourth proportional to 50,591.34, 75,890.67 and 19,426.59 is: 29,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,591.34 : 75,890.67 = 19,426.59 : x
  2. Step 2: Convert to fraction form
    50,591.34/75,890.67 = 19,426.59/x
  3. Step 3: Cross multiply
    50,591.34x = 75,890.67 × 19,426.59
  4. Step 4: Simplify right side
    50,591.34x = 1,474,296,930.92
  5. Step 5: Solve for x
    x = 1,474,296,930.92/50,591.34
  6. Step 6: Final answer
    x = 29,141.29

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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.