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Finding the Fourth Proportional to 43,448.31, 65,062.17 and 36,409.82

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Solution

The fourth proportional to 43,448.31, 65,062.17 and 36,409.82 is: 54,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.31 : 65,062.17 = 36,409.82 : x
  2. Step 2: Convert to fraction form
    43,448.31/65,062.17 = 36,409.82/x
  3. Step 3: Cross multiply
    43,448.31x = 65,062.17 × 36,409.82
  4. Step 4: Simplify right side
    43,448.31x = 2,368,901,573.20
  5. Step 5: Solve for x
    x = 2,368,901,573.20/43,448.31
  6. Step 6: Final answer
    x = 54,522.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.