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Finding the Fourth Proportional to 52,879.06, 72,973.56 and 29,005.84

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Solution

The fourth proportional to 52,879.06, 72,973.56 and 29,005.84 is: 40,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.06 : 72,973.56 = 29,005.84 : x
  2. Step 2: Convert to fraction form
    52,879.06/72,973.56 = 29,005.84/x
  3. Step 3: Cross multiply
    52,879.06x = 72,973.56 × 29,005.84
  4. Step 4: Simplify right side
    52,879.06x = 2,116,659,405.59
  5. Step 5: Solve for x
    x = 2,116,659,405.59/52,879.06
  6. Step 6: Final answer
    x = 40,028.31

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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.