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Finding the Fourth Proportional to 45,959.81, 63,422.39 and 25,540.92

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Solution

The fourth proportional to 45,959.81, 63,422.39 and 25,540.92 is: 35,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,959.81 : 63,422.39 = 25,540.92 : x
  2. Step 2: Convert to fraction form
    45,959.81/63,422.39 = 25,540.92/x
  3. Step 3: Cross multiply
    45,959.81x = 63,422.39 × 25,540.92
  4. Step 4: Simplify right side
    45,959.81x = 1,619,866,253.05
  5. Step 5: Solve for x
    x = 1,619,866,253.05/45,959.81
  6. Step 6: Final answer
    x = 35,245.28

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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.