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Finding the Fourth Proportional to 5,246.80, 7,241.81 and 3,258.86

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Solution

The fourth proportional to 5,246.80, 7,241.81 and 3,258.86 is: 4,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.80 : 7,241.81 = 3,258.86 : x
  2. Step 2: Convert to fraction form
    5,246.80/7,241.81 = 3,258.86/x
  3. Step 3: Cross multiply
    5,246.80x = 7,241.81 × 3,258.86
  4. Step 4: Simplify right side
    5,246.80x = 23,600,008.73
  5. Step 5: Solve for x
    x = 23,600,008.73/5,246.80
  6. Step 6: Final answer
    x = 4,497.99

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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.