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Finding the Fourth Proportional to 68,527.28, 102,829.80 and 27,003.44

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Solution

The fourth proportional to 68,527.28, 102,829.80 and 27,003.44 is: 40,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,527.28 : 102,829.80 = 27,003.44 : x
  2. Step 2: Convert to fraction form
    68,527.28/102,829.80 = 27,003.44/x
  3. Step 3: Cross multiply
    68,527.28x = 102,829.80 × 27,003.44
  4. Step 4: Simplify right side
    68,527.28x = 2,776,758,334.51
  5. Step 5: Solve for x
    x = 2,776,758,334.51/68,527.28
  6. Step 6: Final answer
    x = 40,520.48

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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.