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Finding the Fourth Proportional to 23,473.15, 32,393.86 and 13,401.68

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Solution

The fourth proportional to 23,473.15, 32,393.86 and 13,401.68 is: 18,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,473.15 : 32,393.86 = 13,401.68 : x
  2. Step 2: Convert to fraction form
    23,473.15/32,393.86 = 13,401.68/x
  3. Step 3: Cross multiply
    23,473.15x = 32,393.86 × 13,401.68
  4. Step 4: Simplify right side
    23,473.15x = 434,131,950.21
  5. Step 5: Solve for x
    x = 434,131,950.21/23,473.15
  6. Step 6: Final answer
    x = 18,494.83

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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.