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Finding the Fourth Proportional to 39,733.29, 59,571.03 and 18,662.49

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Solution

The fourth proportional to 39,733.29, 59,571.03 and 18,662.49 is: 27,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.29 : 59,571.03 = 18,662.49 : x
  2. Step 2: Convert to fraction form
    39,733.29/59,571.03 = 18,662.49/x
  3. Step 3: Cross multiply
    39,733.29x = 59,571.03 × 18,662.49
  4. Step 4: Simplify right side
    39,733.29x = 1,111,743,751.66
  5. Step 5: Solve for x
    x = 1,111,743,751.66/39,733.29
  6. Step 6: Final answer
    x = 27,980.16

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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.