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Finding the Fourth Proportional to 5,473.25, 7,553.09 and 2,989.25

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Solution

The fourth proportional to 5,473.25, 7,553.09 and 2,989.25 is: 4,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.25 : 7,553.09 = 2,989.25 : x
  2. Step 2: Convert to fraction form
    5,473.25/7,553.09 = 2,989.25/x
  3. Step 3: Cross multiply
    5,473.25x = 7,553.09 × 2,989.25
  4. Step 4: Simplify right side
    5,473.25x = 22,578,059.34
  5. Step 5: Solve for x
    x = 22,578,059.34/5,473.25
  6. Step 6: Final answer
    x = 4,125.17

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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.