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Finding the Fourth Proportional to 64,650.68, 96,957.62 and 27,219.25

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Solution

The fourth proportional to 64,650.68, 96,957.62 and 27,219.25 is: 40,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650.68 : 96,957.62 = 27,219.25 : x
  2. Step 2: Convert to fraction form
    64,650.68/96,957.62 = 27,219.25/x
  3. Step 3: Cross multiply
    64,650.68x = 96,957.62 × 27,219.25
  4. Step 4: Simplify right side
    64,650.68x = 2,639,113,698.19
  5. Step 5: Solve for x
    x = 2,639,113,698.19/64,650.68
  6. Step 6: Final answer
    x = 40,821.13

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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.