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Finding the Fourth Proportional to 24,435.42, 33,721.02 and 13,257.42

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Solution

The fourth proportional to 24,435.42, 33,721.02 and 13,257.42 is: 18,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,435.42 : 33,721.02 = 13,257.42 : x
  2. Step 2: Convert to fraction form
    24,435.42/33,721.02 = 13,257.42/x
  3. Step 3: Cross multiply
    24,435.42x = 33,721.02 × 13,257.42
  4. Step 4: Simplify right side
    24,435.42x = 447,053,724.97
  5. Step 5: Solve for x
    x = 447,053,724.97/24,435.42
  6. Step 6: Final answer
    x = 18,295.32

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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.