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Finding the Fourth Proportional to 71,361.58, 107,108.80 and 36,327.46

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Solution

The fourth proportional to 71,361.58, 107,108.80 and 36,327.46 is: 54,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,361.58 : 107,108.80 = 36,327.46 : x
  2. Step 2: Convert to fraction form
    71,361.58/107,108.80 = 36,327.46/x
  3. Step 3: Cross multiply
    71,361.58x = 107,108.80 × 36,327.46
  4. Step 4: Simplify right side
    71,361.58x = 3,890,990,647.65
  5. Step 5: Solve for x
    x = 3,890,990,647.65/71,361.58
  6. Step 6: Final answer
    x = 54,525.01

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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.