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Finding the Fourth Proportional to 18,201.62, 25,114.07 and 10,240.94

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Solution

The fourth proportional to 18,201.62, 25,114.07 and 10,240.94 is: 14,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.62 : 25,114.07 = 10,240.94 : x
  2. Step 2: Convert to fraction form
    18,201.62/25,114.07 = 10,240.94/x
  3. Step 3: Cross multiply
    18,201.62x = 25,114.07 × 10,240.94
  4. Step 4: Simplify right side
    18,201.62x = 257,191,772.41
  5. Step 5: Solve for x
    x = 257,191,772.41/18,201.62
  6. Step 6: Final answer
    x = 14,130.16

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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.