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Finding the Fourth Proportional to 50,448, 75,624.96 and 17,145.30

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Solution

The fourth proportional to 50,448, 75,624.96 and 17,145.30 is: 25,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448 : 75,624.96 = 17,145.30 : x
  2. Step 2: Convert to fraction form
    50,448/75,624.96 = 17,145.30/x
  3. Step 3: Cross multiply
    50,448x = 75,624.96 × 17,145.30
  4. Step 4: Simplify right side
    50,448x = 1,296,612,626.69
  5. Step 5: Solve for x
    x = 1,296,612,626.69/50,448
  6. Step 6: Final answer
    x = 25,701.96

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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.