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Finding the Fourth Proportional to 6,483.92, 8,947.29 and 3,830.83

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Solution

The fourth proportional to 6,483.92, 8,947.29 and 3,830.83 is: 5,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.92 : 8,947.29 = 3,830.83 : x
  2. Step 2: Convert to fraction form
    6,483.92/8,947.29 = 3,830.83/x
  3. Step 3: Cross multiply
    6,483.92x = 8,947.29 × 3,830.83
  4. Step 4: Simplify right side
    6,483.92x = 34,275,538.95
  5. Step 5: Solve for x
    x = 34,275,538.95/6,483.92
  6. Step 6: Final answer
    x = 5,286.24

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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.