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Finding the Fourth Proportional to 18,736.22, 25,853.37 and 18,232.22

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Solution

The fourth proportional to 18,736.22, 25,853.37 and 18,232.22 is: 25,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.22 : 25,853.37 = 18,232.22 : x
  2. Step 2: Convert to fraction form
    18,736.22/25,853.37 = 18,232.22/x
  3. Step 3: Cross multiply
    18,736.22x = 25,853.37 × 18,232.22
  4. Step 4: Simplify right side
    18,736.22x = 471,364,329.58
  5. Step 5: Solve for x
    x = 471,364,329.58/18,736.22
  6. Step 6: Final answer
    x = 25,157.92

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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.