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Finding the Fourth Proportional to 43,772, 60,383.76 and 27,632.12

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Solution

The fourth proportional to 43,772, 60,383.76 and 27,632.12 is: 38,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772 : 60,383.76 = 27,632.12 : x
  2. Step 2: Convert to fraction form
    43,772/60,383.76 = 27,632.12/x
  3. Step 3: Cross multiply
    43,772x = 60,383.76 × 27,632.12
  4. Step 4: Simplify right side
    43,772x = 1,668,531,302.37
  5. Step 5: Solve for x
    x = 1,668,531,302.37/43,772
  6. Step 6: Final answer
    x = 38,118.69

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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.