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Finding the Fourth Proportional to 64,589.67, 96,873.57 and 17,842.68

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Solution

The fourth proportional to 64,589.67, 96,873.57 and 17,842.68 is: 26,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.67 : 96,873.57 = 17,842.68 : x
  2. Step 2: Convert to fraction form
    64,589.67/96,873.57 = 17,842.68/x
  3. Step 3: Cross multiply
    64,589.67x = 96,873.57 × 17,842.68
  4. Step 4: Simplify right side
    64,589.67x = 1,728,484,109.97
  5. Step 5: Solve for x
    x = 1,728,484,109.97/64,589.67
  6. Step 6: Final answer
    x = 26,761.00

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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.