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Finding the Fourth Proportional to 6,892.85, 9,512.08 and 3,749.04

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Solution

The fourth proportional to 6,892.85, 9,512.08 and 3,749.04 is: 5,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.85 : 9,512.08 = 3,749.04 : x
  2. Step 2: Convert to fraction form
    6,892.85/9,512.08 = 3,749.04/x
  3. Step 3: Cross multiply
    6,892.85x = 9,512.08 × 3,749.04
  4. Step 4: Simplify right side
    6,892.85x = 35,661,168.40
  5. Step 5: Solve for x
    x = 35,661,168.40/6,892.85
  6. Step 6: Final answer
    x = 5,173.65

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1.5x scale

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.