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Finding the Fourth Proportional to 63,840.40, 95,804.32 and 22,287.40

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Solution

The fourth proportional to 63,840.40, 95,804.32 and 22,287.40 is: 33,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,840.40 : 95,804.32 = 22,287.40 : x
  2. Step 2: Convert to fraction form
    63,840.40/95,804.32 = 22,287.40/x
  3. Step 3: Cross multiply
    63,840.40x = 95,804.32 × 22,287.40
  4. Step 4: Simplify right side
    63,840.40x = 2,135,229,201.57
  5. Step 5: Solve for x
    x = 2,135,229,201.57/63,840.40
  6. Step 6: Final answer
    x = 33,446.36

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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.