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Finding the Fourth Proportional to 7,509.77, 11,264.91 and 2,579.37

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Solution

The fourth proportional to 7,509.77, 11,264.91 and 2,579.37 is: 3,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.77 : 11,264.91 = 2,579.37 : x
  2. Step 2: Convert to fraction form
    7,509.77/11,264.91 = 2,579.37/x
  3. Step 3: Cross multiply
    7,509.77x = 11,264.91 × 2,579.37
  4. Step 4: Simplify right side
    7,509.77x = 29,056,380.58
  5. Step 5: Solve for x
    x = 29,056,380.58/7,509.77
  6. Step 6: Final answer
    x = 3,869.14

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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.