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Finding the Fourth Proportional to 41,288.03, 56,978.54 and 23,382.78

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Solution

The fourth proportional to 41,288.03, 56,978.54 and 23,382.78 is: 32,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,288.03 : 56,978.54 = 23,382.78 : x
  2. Step 2: Convert to fraction form
    41,288.03/56,978.54 = 23,382.78/x
  3. Step 3: Cross multiply
    41,288.03x = 56,978.54 × 23,382.78
  4. Step 4: Simplify right side
    41,288.03x = 1,332,316,665.54
  5. Step 5: Solve for x
    x = 1,332,316,665.54/41,288.03
  6. Step 6: Final answer
    x = 32,268.84

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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.