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Finding the Fourth Proportional to 51,573.83, 71,172.03 and 28,605.29

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Solution

The fourth proportional to 51,573.83, 71,172.03 and 28,605.29 is: 39,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.83 : 71,172.03 = 28,605.29 : x
  2. Step 2: Convert to fraction form
    51,573.83/71,172.03 = 28,605.29/x
  3. Step 3: Cross multiply
    51,573.83x = 71,172.03 × 28,605.29
  4. Step 4: Simplify right side
    51,573.83x = 2,035,896,202.18
  5. Step 5: Solve for x
    x = 2,035,896,202.18/51,573.83
  6. Step 6: Final answer
    x = 39,475.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.