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Finding the Fourth Proportional to 40,955.92, 61,422.78 and 17,576.88

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Solution

The fourth proportional to 40,955.92, 61,422.78 and 17,576.88 is: 26,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.92 : 61,422.78 = 17,576.88 : x
  2. Step 2: Convert to fraction form
    40,955.92/61,422.78 = 17,576.88/x
  3. Step 3: Cross multiply
    40,955.92x = 61,422.78 × 17,576.88
  4. Step 4: Simplify right side
    40,955.92x = 1,079,620,833.33
  5. Step 5: Solve for x
    x = 1,079,620,833.33/40,955.92
  6. Step 6: Final answer
    x = 26,360.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.