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Finding the Fourth Proportional to 64,387.92, 96,617.16 and 26,973.84

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Solution

The fourth proportional to 64,387.92, 96,617.16 and 26,973.84 is: 40,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,387.92 : 96,617.16 = 26,973.84 : x
  2. Step 2: Convert to fraction form
    64,387.92/96,617.16 = 26,973.84/x
  3. Step 3: Cross multiply
    64,387.92x = 96,617.16 × 26,973.84
  4. Step 4: Simplify right side
    64,387.92x = 2,606,135,815.09
  5. Step 5: Solve for x
    x = 2,606,135,815.09/64,387.92
  6. Step 6: Final answer
    x = 40,475.54

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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.