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Finding the Fourth Proportional to 64,317.53, 96,491.61 and 22,197.97

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Solution

The fourth proportional to 64,317.53, 96,491.61 and 22,197.97 is: 33,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,317.53 : 96,491.61 = 22,197.97 : x
  2. Step 2: Convert to fraction form
    64,317.53/96,491.61 = 22,197.97/x
  3. Step 3: Cross multiply
    64,317.53x = 96,491.61 × 22,197.97
  4. Step 4: Simplify right side
    64,317.53x = 2,141,917,504.31
  5. Step 5: Solve for x
    x = 2,141,917,504.31/64,317.53
  6. Step 6: Final answer
    x = 33,302.24

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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.