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Finding the Fourth Proportional to 18,610.68, 25,684.02 and 10,655.04

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Solution

The fourth proportional to 18,610.68, 25,684.02 and 10,655.04 is: 14,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.68 : 25,684.02 = 10,655.04 : x
  2. Step 2: Convert to fraction form
    18,610.68/25,684.02 = 10,655.04/x
  3. Step 3: Cross multiply
    18,610.68x = 25,684.02 × 10,655.04
  4. Step 4: Simplify right side
    18,610.68x = 273,664,260.46
  5. Step 5: Solve for x
    x = 273,664,260.46/18,610.68
  6. Step 6: Final answer
    x = 14,704.69

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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.