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Finding the Fourth Proportional to 24,188.92, 33,379.74 and 13,579.12

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Solution

The fourth proportional to 24,188.92, 33,379.74 and 13,579.12 is: 18,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,188.92 : 33,379.74 = 13,579.12 : x
  2. Step 2: Convert to fraction form
    24,188.92/33,379.74 = 13,579.12/x
  3. Step 3: Cross multiply
    24,188.92x = 33,379.74 × 13,579.12
  4. Step 4: Simplify right side
    24,188.92x = 453,267,495.03
  5. Step 5: Solve for x
    x = 453,267,495.03/24,188.92
  6. Step 6: Final answer
    x = 18,738.64

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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.