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Finding the Fourth Proportional to 52,879.44, 72,973.56 and 29,006.22

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Solution

The fourth proportional to 52,879.44, 72,973.56 and 29,006.22 is: 40,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.44 : 72,973.56 = 29,006.22 : x
  2. Step 2: Convert to fraction form
    52,879.44/72,973.56 = 29,006.22/x
  3. Step 3: Cross multiply
    52,879.44x = 72,973.56 × 29,006.22
  4. Step 4: Simplify right side
    52,879.44x = 2,116,687,135.54
  5. Step 5: Solve for x
    x = 2,116,687,135.54/52,879.44
  6. Step 6: Final answer
    x = 40,028.55

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1.5x scale

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.