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Finding the Fourth Proportional to 31,185.60, 46,660.32 and 17,344.32

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Solution

The fourth proportional to 31,185.60, 46,660.32 and 17,344.32 is: 25,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.60 : 46,660.32 = 17,344.32 : x
  2. Step 2: Convert to fraction form
    31,185.60/46,660.32 = 17,344.32/x
  3. Step 3: Cross multiply
    31,185.60x = 46,660.32 × 17,344.32
  4. Step 4: Simplify right side
    31,185.60x = 809,291,521.38
  5. Step 5: Solve for x
    x = 809,291,521.38/31,185.60
  6. Step 6: Final answer
    x = 25,950.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.