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Finding the Fourth Proportional to 18,952.80, 26,157.24 and 10,993.32

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Solution

The fourth proportional to 18,952.80, 26,157.24 and 10,993.32 is: 15,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.80 : 26,157.24 = 10,993.32 : x
  2. Step 2: Convert to fraction form
    18,952.80/26,157.24 = 10,993.32/x
  3. Step 3: Cross multiply
    18,952.80x = 26,157.24 × 10,993.32
  4. Step 4: Simplify right side
    18,952.80x = 287,554,909.64
  5. Step 5: Solve for x
    x = 287,554,909.64/18,952.80
  6. Step 6: Final answer
    x = 15,172.16

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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.