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Finding the Fourth Proportional to 64,791.71, 97,181.00 and 17,400.65

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Solution

The fourth proportional to 64,791.71, 97,181.00 and 17,400.65 is: 26,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.71 : 97,181.00 = 17,400.65 : x
  2. Step 2: Convert to fraction form
    64,791.71/97,181.00 = 17,400.65/x
  3. Step 3: Cross multiply
    64,791.71x = 97,181.00 × 17,400.65
  4. Step 4: Simplify right side
    64,791.71x = 1,691,012,497.36
  5. Step 5: Solve for x
    x = 1,691,012,497.36/64,791.71
  6. Step 6: Final answer
    x = 26,099.21

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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.