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Finding the Fourth Proportional to 26,988, 37,243.50 and 15,052.11

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Solution

The fourth proportional to 26,988, 37,243.50 and 15,052.11 is: 20,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988 : 37,243.50 = 15,052.11 : x
  2. Step 2: Convert to fraction form
    26,988/37,243.50 = 15,052.11/x
  3. Step 3: Cross multiply
    26,988x = 37,243.50 × 15,052.11
  4. Step 4: Simplify right side
    26,988x = 560,593,203.31
  5. Step 5: Solve for x
    x = 560,593,203.31/26,988
  6. Step 6: Final answer
    x = 20,771.94

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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.