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Finding the Fourth Proportional to 43,357.97, 65,036.97 and 12,193.22

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Solution

The fourth proportional to 43,357.97, 65,036.97 and 12,193.22 is: 18,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.97 : 65,036.97 = 12,193.22 : x
  2. Step 2: Convert to fraction form
    43,357.97/65,036.97 = 12,193.22/x
  3. Step 3: Cross multiply
    43,357.97x = 65,036.97 × 12,193.22
  4. Step 4: Simplify right side
    43,357.97x = 793,010,245.94
  5. Step 5: Solve for x
    x = 793,010,245.94/43,357.97
  6. Step 6: Final answer
    x = 18,289.84

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Similar ratio
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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.