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Finding the Fourth Proportional to 24,364.86, 33,621.63 and 13,755.54

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Solution

The fourth proportional to 24,364.86, 33,621.63 and 13,755.54 is: 18,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,364.86 : 33,621.63 = 13,755.54 : x
  2. Step 2: Convert to fraction form
    24,364.86/33,621.63 = 13,755.54/x
  3. Step 3: Cross multiply
    24,364.86x = 33,621.63 × 13,755.54
  4. Step 4: Simplify right side
    24,364.86x = 462,483,676.33
  5. Step 5: Solve for x
    x = 462,483,676.33/24,364.86
  6. Step 6: Final answer
    x = 18,981.59

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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.