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Finding the Fourth Proportional to 64,563.48, 96,781.64 and 27,134.19

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Solution

The fourth proportional to 64,563.48, 96,781.64 and 27,134.19 is: 40,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,563.48 : 96,781.64 = 27,134.19 : x
  2. Step 2: Convert to fraction form
    64,563.48/96,781.64 = 27,134.19/x
  3. Step 3: Cross multiply
    64,563.48x = 96,781.64 × 27,134.19
  4. Step 4: Simplify right side
    64,563.48x = 2,626,091,272.60
  5. Step 5: Solve for x
    x = 2,626,091,272.60/64,563.48
  6. Step 6: Final answer
    x = 40,674.56

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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.