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Finding the Fourth Proportional to 64,335.74, 96,504.82 and 19,963.94

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Solution

The fourth proportional to 64,335.74, 96,504.82 and 19,963.94 is: 29,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,335.74 : 96,504.82 = 19,963.94 : x
  2. Step 2: Convert to fraction form
    64,335.74/96,504.82 = 19,963.94/x
  3. Step 3: Cross multiply
    64,335.74x = 96,504.82 × 19,963.94
  4. Step 4: Simplify right side
    64,335.74x = 1,926,616,436.19
  5. Step 5: Solve for x
    x = 1,926,616,436.19/64,335.74
  6. Step 6: Final answer
    x = 29,946.29

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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.