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Finding the Fourth Proportional to 52,194.90, 72,029.04 and 28,321.76

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Solution

The fourth proportional to 52,194.90, 72,029.04 and 28,321.76 is: 39,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,194.90 : 72,029.04 = 28,321.76 : x
  2. Step 2: Convert to fraction form
    52,194.90/72,029.04 = 28,321.76/x
  3. Step 3: Cross multiply
    52,194.90x = 72,029.04 × 28,321.76
  4. Step 4: Simplify right side
    52,194.90x = 2,039,989,183.91
  5. Step 5: Solve for x
    x = 2,039,989,183.91/52,194.90
  6. Step 6: Final answer
    x = 39,084.07

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