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Finding the Fourth Proportional to 17,318.76, 25,978.14 and 6,225.48

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Solution

The fourth proportional to 17,318.76, 25,978.14 and 6,225.48 is: 9,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.76 : 25,978.14 = 6,225.48 : x
  2. Step 2: Convert to fraction form
    17,318.76/25,978.14 = 6,225.48/x
  3. Step 3: Cross multiply
    17,318.76x = 25,978.14 × 6,225.48
  4. Step 4: Simplify right side
    17,318.76x = 161,726,391.01
  5. Step 5: Solve for x
    x = 161,726,391.01/17,318.76
  6. Step 6: Final answer
    x = 9,338.22

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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.