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Finding the Fourth Proportional to 18,564.66, 25,610.18 and 10,604.79

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Solution

The fourth proportional to 18,564.66, 25,610.18 and 10,604.79 is: 14,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.66 : 25,610.18 = 10,604.79 : x
  2. Step 2: Convert to fraction form
    18,564.66/25,610.18 = 10,604.79/x
  3. Step 3: Cross multiply
    18,564.66x = 25,610.18 × 10,604.79
  4. Step 4: Simplify right side
    18,564.66x = 271,590,527.74
  5. Step 5: Solve for x
    x = 271,590,527.74/18,564.66
  6. Step 6: Final answer
    x = 14,629.44

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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.