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Finding the Fourth Proportional to 6,712.73, 9,260.36 and 4,724.39

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Solution

The fourth proportional to 6,712.73, 9,260.36 and 4,724.39 is: 6,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.73 : 9,260.36 = 4,724.39 : x
  2. Step 2: Convert to fraction form
    6,712.73/9,260.36 = 4,724.39/x
  3. Step 3: Cross multiply
    6,712.73x = 9,260.36 × 4,724.39
  4. Step 4: Simplify right side
    6,712.73x = 43,749,528.56
  5. Step 5: Solve for x
    x = 43,749,528.56/6,712.73
  6. Step 6: Final answer
    x = 6,517.40

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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.