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Finding the Fourth Proportional to 51,993.01, 71,753.66 and 29,323.72

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Solution

The fourth proportional to 51,993.01, 71,753.66 and 29,323.72 is: 40,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.01 : 71,753.66 = 29,323.72 : x
  2. Step 2: Convert to fraction form
    51,993.01/71,753.66 = 29,323.72/x
  3. Step 3: Cross multiply
    51,993.01x = 71,753.66 × 29,323.72
  4. Step 4: Simplify right side
    51,993.01x = 2,104,084,128.74
  5. Step 5: Solve for x
    x = 2,104,084,128.74/51,993.01
  6. Step 6: Final answer
    x = 40,468.60

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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.