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Finding the Fourth Proportional to 36,064.80, 54,025.20 and 31,735.20

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Solution

The fourth proportional to 36,064.80, 54,025.20 and 31,735.20 is: 47,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.80 : 54,025.20 = 31,735.20 : x
  2. Step 2: Convert to fraction form
    36,064.80/54,025.20 = 31,735.20/x
  3. Step 3: Cross multiply
    36,064.80x = 54,025.20 × 31,735.20
  4. Step 4: Simplify right side
    36,064.80x = 1,714,500,527.04
  5. Step 5: Solve for x
    x = 1,714,500,527.04/36,064.80
  6. Step 6: Final answer
    x = 47,539.44

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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.