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Finding the Fourth Proportional to 24,418.70, 33,698.01 and 13,240.70

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Solution

The fourth proportional to 24,418.70, 33,698.01 and 13,240.70 is: 18,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,418.70 : 33,698.01 = 13,240.70 : x
  2. Step 2: Convert to fraction form
    24,418.70/33,698.01 = 13,240.70/x
  3. Step 3: Cross multiply
    24,418.70x = 33,698.01 × 13,240.70
  4. Step 4: Simplify right side
    24,418.70x = 446,185,241.01
  5. Step 5: Solve for x
    x = 446,185,241.01/24,418.70
  6. Step 6: Final answer
    x = 18,272.28

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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.