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Finding the Fourth Proportional to 24,321.98, 33,564.37 and 13,143.98

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Solution

The fourth proportional to 24,321.98, 33,564.37 and 13,143.98 is: 18,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,321.98 : 33,564.37 = 13,143.98 : x
  2. Step 2: Convert to fraction form
    24,321.98/33,564.37 = 13,143.98/x
  3. Step 3: Cross multiply
    24,321.98x = 33,564.37 × 13,143.98
  4. Step 4: Simplify right side
    24,321.98x = 441,169,407.99
  5. Step 5: Solve for x
    x = 441,169,407.99/24,321.98
  6. Step 6: Final answer
    x = 18,138.71

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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.