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Finding the Fourth Proportional to 6,293.87, 8,685.99 and 4,165.73

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Solution

The fourth proportional to 6,293.87, 8,685.99 and 4,165.73 is: 5,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.87 : 8,685.99 = 4,165.73 : x
  2. Step 2: Convert to fraction form
    6,293.87/8,685.99 = 4,165.73/x
  3. Step 3: Cross multiply
    6,293.87x = 8,685.99 × 4,165.73
  4. Step 4: Simplify right side
    6,293.87x = 36,183,445.69
  5. Step 5: Solve for x
    x = 36,183,445.69/6,293.87
  6. Step 6: Final answer
    x = 5,749.00

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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.