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Finding the Fourth Proportional to 43,984.80, 65,991.68 and 29,251.68

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Solution

The fourth proportional to 43,984.80, 65,991.68 and 29,251.68 is: 43,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,984.80 : 65,991.68 = 29,251.68 : x
  2. Step 2: Convert to fraction form
    43,984.80/65,991.68 = 29,251.68/x
  3. Step 3: Cross multiply
    43,984.80x = 65,991.68 × 29,251.68
  4. Step 4: Simplify right side
    43,984.80x = 1,930,367,506.02
  5. Step 5: Solve for x
    x = 1,930,367,506.02/43,984.80
  6. Step 6: Final answer
    x = 43,887.15

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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.