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Finding the Fourth Proportional to 4,875.82, 6,724.11 and 3,659.62

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Solution

The fourth proportional to 4,875.82, 6,724.11 and 3,659.62 is: 5,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.82 : 6,724.11 = 3,659.62 : x
  2. Step 2: Convert to fraction form
    4,875.82/6,724.11 = 3,659.62/x
  3. Step 3: Cross multiply
    4,875.82x = 6,724.11 × 3,659.62
  4. Step 4: Simplify right side
    4,875.82x = 24,607,687.44
  5. Step 5: Solve for x
    x = 24,607,687.44/4,875.82
  6. Step 6: Final answer
    x = 5,046.88

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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.