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Finding the Fourth Proportional to 52,879.61, 72,973.44 and 29,006.12

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Solution

The fourth proportional to 52,879.61, 72,973.44 and 29,006.12 is: 40,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.61 : 72,973.44 = 29,006.12 : x
  2. Step 2: Convert to fraction form
    52,879.61/72,973.44 = 29,006.12/x
  3. Step 3: Cross multiply
    52,879.61x = 72,973.44 × 29,006.12
  4. Step 4: Simplify right side
    52,879.61x = 2,116,676,539.89
  5. Step 5: Solve for x
    x = 2,116,676,539.89/52,879.61
  6. Step 6: Final answer
    x = 40,028.22

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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.