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Finding the Fourth Proportional to 64,446.30, 96,721.56 and 44,443.62

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Solution

The fourth proportional to 64,446.30, 96,721.56 and 44,443.62 is: 66,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,446.30 : 96,721.56 = 44,443.62 : x
  2. Step 2: Convert to fraction form
    64,446.30/96,721.56 = 44,443.62/x
  3. Step 3: Cross multiply
    64,446.30x = 96,721.56 × 44,443.62
  4. Step 4: Simplify right side
    64,446.30x = 4,298,656,258.45
  5. Step 5: Solve for x
    x = 4,298,656,258.45/64,446.30
  6. Step 6: Final answer
    x = 66,701.37

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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.