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Finding the Fourth Proportional to 19,185.21, 26,473.23 and 10,685.25

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Solution

The fourth proportional to 19,185.21, 26,473.23 and 10,685.25 is: 14,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.21 : 26,473.23 = 10,685.25 : x
  2. Step 2: Convert to fraction form
    19,185.21/26,473.23 = 10,685.25/x
  3. Step 3: Cross multiply
    19,185.21x = 26,473.23 × 10,685.25
  4. Step 4: Simplify right side
    19,185.21x = 282,873,080.86
  5. Step 5: Solve for x
    x = 282,873,080.86/19,185.21
  6. Step 6: Final answer
    x = 14,744.33

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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.