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Finding the Fourth Proportional to 64,573.00, 96,863.60 and 17,187.31

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Solution

The fourth proportional to 64,573.00, 96,863.60 and 17,187.31 is: 25,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,573.00 : 96,863.60 = 17,187.31 : x
  2. Step 2: Convert to fraction form
    64,573.00/96,863.60 = 17,187.31/x
  3. Step 3: Cross multiply
    64,573.00x = 96,863.60 × 17,187.31
  4. Step 4: Simplify right side
    64,573.00x = 1,664,825,060.71
  5. Step 5: Solve for x
    x = 1,664,825,060.71/64,573.00
  6. Step 6: Final answer
    x = 25,782.06

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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.