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Finding the Fourth Proportional to 12,553.18, 17,323.23 and 7,247.88

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Solution

The fourth proportional to 12,553.18, 17,323.23 and 7,247.88 is: 10,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.18 : 17,323.23 = 7,247.88 : x
  2. Step 2: Convert to fraction form
    12,553.18/17,323.23 = 7,247.88/x
  3. Step 3: Cross multiply
    12,553.18x = 17,323.23 × 7,247.88
  4. Step 4: Simplify right side
    12,553.18x = 125,556,719.43
  5. Step 5: Solve for x
    x = 125,556,719.43/12,553.18
  6. Step 6: Final answer
    x = 10,001.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.