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Finding the Fourth Proportional to 31,573.76, 43,571.70 and 17,426.50

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Solution

The fourth proportional to 31,573.76, 43,571.70 and 17,426.50 is: 24,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.76 : 43,571.70 = 17,426.50 : x
  2. Step 2: Convert to fraction form
    31,573.76/43,571.70 = 17,426.50/x
  3. Step 3: Cross multiply
    31,573.76x = 43,571.70 × 17,426.50
  4. Step 4: Simplify right side
    31,573.76x = 759,302,230.05
  5. Step 5: Solve for x
    x = 759,302,230.05/31,573.76
  6. Step 6: Final answer
    x = 24,048.52

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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.