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Finding the Fourth Proportional to 36,448, 54,679.68 and 11,825.92

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Solution

The fourth proportional to 36,448, 54,679.68 and 11,825.92 is: 17,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448 : 54,679.68 = 11,825.92 : x
  2. Step 2: Convert to fraction form
    36,448/54,679.68 = 11,825.92/x
  3. Step 3: Cross multiply
    36,448x = 54,679.68 × 11,825.92
  4. Step 4: Simplify right side
    36,448x = 646,637,521.31
  5. Step 5: Solve for x
    x = 646,637,521.31/36,448
  6. Step 6: Final answer
    x = 17,741.37

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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.