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Finding the Fourth Proportional to 13,041.32, 17,993.99 and 8,800.25

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Solution

The fourth proportional to 13,041.32, 17,993.99 and 8,800.25 is: 12,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.32 : 17,993.99 = 8,800.25 : x
  2. Step 2: Convert to fraction form
    13,041.32/17,993.99 = 8,800.25/x
  3. Step 3: Cross multiply
    13,041.32x = 17,993.99 × 8,800.25
  4. Step 4: Simplify right side
    13,041.32x = 158,351,476.53
  5. Step 5: Solve for x
    x = 158,351,476.53/13,041.32
  6. Step 6: Final answer
    x = 12,142.29

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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.