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Finding the Fourth Proportional to 18,693.59, 25,797.49 and 10,195.81

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Solution

The fourth proportional to 18,693.59, 25,797.49 and 10,195.81 is: 14,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.59 : 25,797.49 = 10,195.81 : x
  2. Step 2: Convert to fraction form
    18,693.59/25,797.49 = 10,195.81/x
  3. Step 3: Cross multiply
    18,693.59x = 25,797.49 × 10,195.81
  4. Step 4: Simplify right side
    18,693.59x = 263,026,216.53
  5. Step 5: Solve for x
    x = 263,026,216.53/18,693.59
  6. Step 6: Final answer
    x = 14,070.40

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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.