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Finding the Fourth Proportional to 40,272, 55,574.82 and 23,269.86

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Solution

The fourth proportional to 40,272, 55,574.82 and 23,269.86 is: 32,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272 : 55,574.82 = 23,269.86 : x
  2. Step 2: Convert to fraction form
    40,272/55,574.82 = 23,269.86/x
  3. Step 3: Cross multiply
    40,272x = 55,574.82 × 23,269.86
  4. Step 4: Simplify right side
    40,272x = 1,293,218,280.93
  5. Step 5: Solve for x
    x = 1,293,218,280.93/40,272
  6. Step 6: Final answer
    x = 32,112.09

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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.