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Finding the Fourth Proportional to 53,614.88, 80,422.32 and 36,731.24

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Solution

The fourth proportional to 53,614.88, 80,422.32 and 36,731.24 is: 55,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,614.88 : 80,422.32 = 36,731.24 : x
  2. Step 2: Convert to fraction form
    53,614.88/80,422.32 = 36,731.24/x
  3. Step 3: Cross multiply
    53,614.88x = 80,422.32 × 36,731.24
  4. Step 4: Simplify right side
    53,614.88x = 2,954,011,537.28
  5. Step 5: Solve for x
    x = 2,954,011,537.28/53,614.88
  6. Step 6: Final answer
    x = 55,096.86

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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.