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Finding the Fourth Proportional to 64,651.56, 96,966.36 and 17,893.50

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Solution

The fourth proportional to 64,651.56, 96,966.36 and 17,893.50 is: 26,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.56 : 96,966.36 = 17,893.50 : x
  2. Step 2: Convert to fraction form
    64,651.56/96,966.36 = 17,893.50/x
  3. Step 3: Cross multiply
    64,651.56x = 96,966.36 × 17,893.50
  4. Step 4: Simplify right side
    64,651.56x = 1,735,067,562.66
  5. Step 5: Solve for x
    x = 1,735,067,562.66/64,651.56
  6. Step 6: Final answer
    x = 26,837.21

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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.