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Finding the Fourth Proportional to 7,601.25, 10,489.73 and 4,289.25

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Solution

The fourth proportional to 7,601.25, 10,489.73 and 4,289.25 is: 5,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.25 : 10,489.73 = 4,289.25 : x
  2. Step 2: Convert to fraction form
    7,601.25/10,489.73 = 4,289.25/x
  3. Step 3: Cross multiply
    7,601.25x = 10,489.73 × 4,289.25
  4. Step 4: Simplify right side
    7,601.25x = 44,993,052.96
  5. Step 5: Solve for x
    x = 44,993,052.96/7,601.25
  6. Step 6: Final answer
    x = 5,919.17

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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.