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Finding the Fourth Proportional to 24,379.70, 33,643.98 and 13,201.70

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Solution

The fourth proportional to 24,379.70, 33,643.98 and 13,201.70 is: 18,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,379.70 : 33,643.98 = 13,201.70 : x
  2. Step 2: Convert to fraction form
    24,379.70/33,643.98 = 13,201.70/x
  3. Step 3: Cross multiply
    24,379.70x = 33,643.98 × 13,201.70
  4. Step 4: Simplify right side
    24,379.70x = 444,157,562.55
  5. Step 5: Solve for x
    x = 444,157,562.55/24,379.70
  6. Step 6: Final answer
    x = 18,218.34

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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.