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Finding the Fourth Proportional to 24,483.40, 33,786.78 and 13,305.40

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Solution

The fourth proportional to 24,483.40, 33,786.78 and 13,305.40 is: 18,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,483.40 : 33,786.78 = 13,305.40 : x
  2. Step 2: Convert to fraction form
    24,483.40/33,786.78 = 13,305.40/x
  3. Step 3: Cross multiply
    24,483.40x = 33,786.78 × 13,305.40
  4. Step 4: Simplify right side
    24,483.40x = 449,546,622.61
  5. Step 5: Solve for x
    x = 449,546,622.61/24,483.40
  6. Step 6: Final answer
    x = 18,361.28

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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.