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Finding the Fourth Proportional to 43,700.10, 65,550.15 and 36,701.70

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Solution

The fourth proportional to 43,700.10, 65,550.15 and 36,701.70 is: 55,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.10 : 65,550.15 = 36,701.70 : x
  2. Step 2: Convert to fraction form
    43,700.10/65,550.15 = 36,701.70/x
  3. Step 3: Cross multiply
    43,700.10x = 65,550.15 × 36,701.70
  4. Step 4: Simplify right side
    43,700.10x = 2,405,801,940.26
  5. Step 5: Solve for x
    x = 2,405,801,940.26/43,700.10
  6. Step 6: Final answer
    x = 55,052.55

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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.