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Finding the Fourth Proportional to 32,891.69, 45,391.57 and 18,743.63

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Solution

The fourth proportional to 32,891.69, 45,391.57 and 18,743.63 is: 25,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,891.69 : 45,391.57 = 18,743.63 : x
  2. Step 2: Convert to fraction form
    32,891.69/45,391.57 = 18,743.63/x
  3. Step 3: Cross multiply
    32,891.69x = 45,391.57 × 18,743.63
  4. Step 4: Simplify right side
    32,891.69x = 850,802,519.38
  5. Step 5: Solve for x
    x = 850,802,519.38/32,891.69
  6. Step 6: Final answer
    x = 25,866.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.