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Finding the Fourth Proportional to 64,387.71, 96,605.87 and 26,973

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Solution

The fourth proportional to 64,387.71, 96,605.87 and 26,973 is: 40,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,387.71 : 96,605.87 = 26,973 : x
  2. Step 2: Convert to fraction form
    64,387.71/96,605.87 = 26,973/x
  3. Step 3: Cross multiply
    64,387.71x = 96,605.87 × 26,973
  4. Step 4: Simplify right side
    64,387.71x = 2,605,749,996.65
  5. Step 5: Solve for x
    x = 2,605,749,996.65/64,387.71
  6. Step 6: Final answer
    x = 40,469.68

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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.