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Finding the Fourth Proportional to 18,327.54, 25,303.46 and 12,594.87

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Solution

The fourth proportional to 18,327.54, 25,303.46 and 12,594.87 is: 17,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.54 : 25,303.46 = 12,594.87 : x
  2. Step 2: Convert to fraction form
    18,327.54/25,303.46 = 12,594.87/x
  3. Step 3: Cross multiply
    18,327.54x = 25,303.46 × 12,594.87
  4. Step 4: Simplify right side
    18,327.54x = 318,693,726.28
  5. Step 5: Solve for x
    x = 318,693,726.28/18,327.54
  6. Step 6: Final answer
    x = 17,388.79

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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.