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Finding the Fourth Proportional to 13,703.41, 18,891.99 and 10,250.80

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Solution

The fourth proportional to 13,703.41, 18,891.99 and 10,250.80 is: 14,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.41 : 18,891.99 = 10,250.80 : x
  2. Step 2: Convert to fraction form
    13,703.41/18,891.99 = 10,250.80/x
  3. Step 3: Cross multiply
    13,703.41x = 18,891.99 × 10,250.80
  4. Step 4: Simplify right side
    13,703.41x = 193,657,963.86
  5. Step 5: Solve for x
    x = 193,657,963.86/13,703.41
  6. Step 6: Final answer
    x = 14,132.10

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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.