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Finding the Fourth Proportional to 24,483.40, 33,786.81 and 13,728.22

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Solution

The fourth proportional to 24,483.40, 33,786.81 and 13,728.22 is: 18,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,483.40 : 33,786.81 = 13,728.22 : x
  2. Step 2: Convert to fraction form
    24,483.40/33,786.81 = 13,728.22/x
  3. Step 3: Cross multiply
    24,483.40x = 33,786.81 × 13,728.22
  4. Step 4: Simplify right side
    24,483.40x = 463,832,760.78
  5. Step 5: Solve for x
    x = 463,832,760.78/24,483.40
  6. Step 6: Final answer
    x = 18,944.79

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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.