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Finding the Fourth Proportional to 10,768.97, 16,153.34 and 3,748.97

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Solution

The fourth proportional to 10,768.97, 16,153.34 and 3,748.97 is: 5,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.97 : 16,153.34 = 3,748.97 : x
  2. Step 2: Convert to fraction form
    10,768.97/16,153.34 = 3,748.97/x
  3. Step 3: Cross multiply
    10,768.97x = 16,153.34 × 3,748.97
  4. Step 4: Simplify right side
    10,768.97x = 60,558,306.29
  5. Step 5: Solve for x
    x = 60,558,306.29/10,768.97
  6. Step 6: Final answer
    x = 5,623.41

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1.5x scale

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.