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Finding the Fourth Proportional to 47,573.70, 71,309.04 and 30,945.63

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Solution

The fourth proportional to 47,573.70, 71,309.04 and 30,945.63 is: 46,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,573.70 : 71,309.04 = 30,945.63 : x
  2. Step 2: Convert to fraction form
    47,573.70/71,309.04 = 30,945.63/x
  3. Step 3: Cross multiply
    47,573.70x = 71,309.04 × 30,945.63
  4. Step 4: Simplify right side
    47,573.70x = 2,206,703,167.50
  5. Step 5: Solve for x
    x = 2,206,703,167.50/47,573.70
  6. Step 6: Final answer
    x = 46,384.94

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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.