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Finding the Fourth Proportional to 18,492.07, 25,519.25 and 10,108.57

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Solution

The fourth proportional to 18,492.07, 25,519.25 and 10,108.57 is: 13,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.07 : 25,519.25 = 10,108.57 : x
  2. Step 2: Convert to fraction form
    18,492.07/25,519.25 = 10,108.57/x
  3. Step 3: Cross multiply
    18,492.07x = 25,519.25 × 10,108.57
  4. Step 4: Simplify right side
    18,492.07x = 257,963,124.97
  5. Step 5: Solve for x
    x = 257,963,124.97/18,492.07
  6. Step 6: Final answer
    x = 13,949.93

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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.