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Finding the Fourth Proportional to 2,400.89, 3,601.07 and 756.54

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Solution

The fourth proportional to 2,400.89, 3,601.07 and 756.54 is: 1,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.89 : 3,601.07 = 756.54 : x
  2. Step 2: Convert to fraction form
    2,400.89/3,601.07 = 756.54/x
  3. Step 3: Cross multiply
    2,400.89x = 3,601.07 × 756.54
  4. Step 4: Simplify right side
    2,400.89x = 2,724,331.71
  5. Step 5: Solve for x
    x = 2,724,331.71/2,400.89
  6. Step 6: Final answer
    x = 1,134.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.