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Finding the Fourth Proportional to 33,858.53, 46,724.90 and 18,750.86

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Solution

The fourth proportional to 33,858.53, 46,724.90 and 18,750.86 is: 25,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,858.53 : 46,724.90 = 18,750.86 : x
  2. Step 2: Convert to fraction form
    33,858.53/46,724.90 = 18,750.86/x
  3. Step 3: Cross multiply
    33,858.53x = 46,724.90 × 18,750.86
  4. Step 4: Simplify right side
    33,858.53x = 876,131,731.04
  5. Step 5: Solve for x
    x = 876,131,731.04/33,858.53
  6. Step 6: Final answer
    x = 25,876.25

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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.