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Finding the Fourth Proportional to 64,433.54, 96,585.68 and 30,640.01

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Solution

The fourth proportional to 64,433.54, 96,585.68 and 30,640.01 is: 45,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,433.54 : 96,585.68 = 30,640.01 : x
  2. Step 2: Convert to fraction form
    64,433.54/96,585.68 = 30,640.01/x
  3. Step 3: Cross multiply
    64,433.54x = 96,585.68 × 30,640.01
  4. Step 4: Simplify right side
    64,433.54x = 2,959,385,794.73
  5. Step 5: Solve for x
    x = 2,959,385,794.73/64,433.54
  6. Step 6: Final answer
    x = 45,929.27

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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.