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Finding the Fourth Proportional to 18,197.18, 25,114.83 and 17,071.46

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Solution

The fourth proportional to 18,197.18, 25,114.83 and 17,071.46 is: 23,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.18 : 25,114.83 = 17,071.46 : x
  2. Step 2: Convert to fraction form
    18,197.18/25,114.83 = 17,071.46/x
  3. Step 3: Cross multiply
    18,197.18x = 25,114.83 × 17,071.46
  4. Step 4: Simplify right side
    18,197.18x = 428,746,815.75
  5. Step 5: Solve for x
    x = 428,746,815.75/18,197.18
  6. Step 6: Final answer
    x = 23,561.17

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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.