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Finding the Fourth Proportional to 64,039.52, 96,062.88 and 17,296.08

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Solution

The fourth proportional to 64,039.52, 96,062.88 and 17,296.08 is: 25,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.52 : 96,062.88 = 17,296.08 : x
  2. Step 2: Convert to fraction form
    64,039.52/96,062.88 = 17,296.08/x
  3. Step 3: Cross multiply
    64,039.52x = 96,062.88 × 17,296.08
  4. Step 4: Simplify right side
    64,039.52x = 1,661,511,257.51
  5. Step 5: Solve for x
    x = 1,661,511,257.51/64,039.52
  6. Step 6: Final answer
    x = 25,945.09

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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.