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Finding the Fourth Proportional to 64,630.30, 96,905.76 and 25,141.39

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Solution

The fourth proportional to 64,630.30, 96,905.76 and 25,141.39 is: 37,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.30 : 96,905.76 = 25,141.39 : x
  2. Step 2: Convert to fraction form
    64,630.30/96,905.76 = 25,141.39/x
  3. Step 3: Cross multiply
    64,630.30x = 96,905.76 × 25,141.39
  4. Step 4: Simplify right side
    64,630.30x = 2,436,345,505.41
  5. Step 5: Solve for x
    x = 2,436,345,505.41/64,630.30
  6. Step 6: Final answer
    x = 37,696.65

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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.