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Finding the Fourth Proportional to 18,351.02, 25,323.90 and 9,967.52

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Solution

The fourth proportional to 18,351.02, 25,323.90 and 9,967.52 is: 13,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.02 : 25,323.90 = 9,967.52 : x
  2. Step 2: Convert to fraction form
    18,351.02/25,323.90 = 9,967.52/x
  3. Step 3: Cross multiply
    18,351.02x = 25,323.90 × 9,967.52
  4. Step 4: Simplify right side
    18,351.02x = 252,416,479.73
  5. Step 5: Solve for x
    x = 252,416,479.73/18,351.02
  6. Step 6: Final answer
    x = 13,754.90

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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.