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Finding the Fourth Proportional to 6,344.28, 8,749.26 and 4,351.32

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Solution

The fourth proportional to 6,344.28, 8,749.26 and 4,351.32 is: 6,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.28 : 8,749.26 = 4,351.32 : x
  2. Step 2: Convert to fraction form
    6,344.28/8,749.26 = 4,351.32/x
  3. Step 3: Cross multiply
    6,344.28x = 8,749.26 × 4,351.32
  4. Step 4: Simplify right side
    6,344.28x = 38,070,830.02
  5. Step 5: Solve for x
    x = 38,070,830.02/6,344.28
  6. Step 6: Final answer
    x = 6,000.81

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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.