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Finding the Fourth Proportional to 6,340.96, 8,749.92 and 5,017.96

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Solution

The fourth proportional to 6,340.96, 8,749.92 and 5,017.96 is: 6,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.96 : 8,749.92 = 5,017.96 : x
  2. Step 2: Convert to fraction form
    6,340.96/8,749.92 = 5,017.96/x
  3. Step 3: Cross multiply
    6,340.96x = 8,749.92 × 5,017.96
  4. Step 4: Simplify right side
    6,340.96x = 43,906,748.56
  5. Step 5: Solve for x
    x = 43,906,748.56/6,340.96
  6. Step 6: Final answer
    x = 6,924.31

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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.