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Finding the Fourth Proportional to 6,230.79, 8,599.43 and 3,873.69

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Solution

The fourth proportional to 6,230.79, 8,599.43 and 3,873.69 is: 5,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.79 : 8,599.43 = 3,873.69 : x
  2. Step 2: Convert to fraction form
    6,230.79/8,599.43 = 3,873.69/x
  3. Step 3: Cross multiply
    6,230.79x = 8,599.43 × 3,873.69
  4. Step 4: Simplify right side
    6,230.79x = 33,311,535.68
  5. Step 5: Solve for x
    x = 33,311,535.68/6,230.79
  6. Step 6: Final answer
    x = 5,346.28

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Half scale
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Double scale
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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.