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Finding the Fourth Proportional to 13,592, 18,755.34 and 7,927.94

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Solution

The fourth proportional to 13,592, 18,755.34 and 7,927.94 is: 10,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592 : 18,755.34 = 7,927.94 : x
  2. Step 2: Convert to fraction form
    13,592/18,755.34 = 7,927.94/x
  3. Step 3: Cross multiply
    13,592x = 18,755.34 × 7,927.94
  4. Step 4: Simplify right side
    13,592x = 148,691,210.20
  5. Step 5: Solve for x
    x = 148,691,210.20/13,592
  6. Step 6: Final answer
    x = 10,939.61

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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.