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Finding the Fourth Proportional to 8,765.00, 13,137.09 and 5,059.56

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Solution

The fourth proportional to 8,765.00, 13,137.09 and 5,059.56 is: 7,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.00 : 13,137.09 = 5,059.56 : x
  2. Step 2: Convert to fraction form
    8,765.00/13,137.09 = 5,059.56/x
  3. Step 3: Cross multiply
    8,765.00x = 13,137.09 × 5,059.56
  4. Step 4: Simplify right side
    8,765.00x = 66,467,895.08
  5. Step 5: Solve for x
    x = 66,467,895.08/8,765.00
  6. Step 6: Final answer
    x = 7,583.34

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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.