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Finding the Fourth Proportional to 36,429.44, 54,647.44 and 15,648.08

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Solution

The fourth proportional to 36,429.44, 54,647.44 and 15,648.08 is: 23,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,429.44 : 54,647.44 = 15,648.08 : x
  2. Step 2: Convert to fraction form
    36,429.44/54,647.44 = 15,648.08/x
  3. Step 3: Cross multiply
    36,429.44x = 54,647.44 × 15,648.08
  4. Step 4: Simplify right side
    36,429.44x = 855,127,512.92
  5. Step 5: Solve for x
    x = 855,127,512.92/36,429.44
  6. Step 6: Final answer
    x = 23,473.53

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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.