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Finding the Fourth Proportional to 43,323.12, 64,836.83 and 36,311.05

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Solution

The fourth proportional to 43,323.12, 64,836.83 and 36,311.05 is: 54,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.12 : 64,836.83 = 36,311.05 : x
  2. Step 2: Convert to fraction form
    43,323.12/64,836.83 = 36,311.05/x
  3. Step 3: Cross multiply
    43,323.12x = 64,836.83 × 36,311.05
  4. Step 4: Simplify right side
    43,323.12x = 2,354,293,375.97
  5. Step 5: Solve for x
    x = 2,354,293,375.97/43,323.12
  6. Step 6: Final answer
    x = 54,342.66

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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.