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Finding the Fourth Proportional to 43,412.44, 65,012.46 and 39,205.22

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Solution

The fourth proportional to 43,412.44, 65,012.46 and 39,205.22 is: 58,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.44 : 65,012.46 = 39,205.22 : x
  2. Step 2: Convert to fraction form
    43,412.44/65,012.46 = 39,205.22/x
  3. Step 3: Cross multiply
    43,412.44x = 65,012.46 × 39,205.22
  4. Step 4: Simplify right side
    43,412.44x = 2,548,827,797.04
  5. Step 5: Solve for x
    x = 2,548,827,797.04/43,412.44
  6. Step 6: Final answer
    x = 58,711.92

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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.