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Finding the Fourth Proportional to 8,996.58, 13,450.50 and 7,625.25

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Solution

The fourth proportional to 8,996.58, 13,450.50 and 7,625.25 is: 11,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.58 : 13,450.50 = 7,625.25 : x
  2. Step 2: Convert to fraction form
    8,996.58/13,450.50 = 7,625.25/x
  3. Step 3: Cross multiply
    8,996.58x = 13,450.50 × 7,625.25
  4. Step 4: Simplify right side
    8,996.58x = 102,563,425.13
  5. Step 5: Solve for x
    x = 102,563,425.13/8,996.58
  6. Step 6: Final answer
    x = 11,400.27

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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.