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Finding the Fourth Proportional to 52,300.69, 72,177.11 and 29,639.44

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Solution

The fourth proportional to 52,300.69, 72,177.11 and 29,639.44 is: 40,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,300.69 : 72,177.11 = 29,639.44 : x
  2. Step 2: Convert to fraction form
    52,300.69/72,177.11 = 29,639.44/x
  3. Step 3: Cross multiply
    52,300.69x = 72,177.11 × 29,639.44
  4. Step 4: Simplify right side
    52,300.69x = 2,139,289,121.22
  5. Step 5: Solve for x
    x = 2,139,289,121.22/52,300.69
  6. Step 6: Final answer
    x = 40,903.65

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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.