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Finding the Fourth Proportional to 68,986.96, 95,274.29 and 47,532.49

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Solution

The fourth proportional to 68,986.96, 95,274.29 and 47,532.49 is: 65,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986.96 : 95,274.29 = 47,532.49 : x
  2. Step 2: Convert to fraction form
    68,986.96/95,274.29 = 47,532.49/x
  3. Step 3: Cross multiply
    68,986.96x = 95,274.29 × 47,532.49
  4. Step 4: Simplify right side
    68,986.96x = 4,528,624,474.61
  5. Step 5: Solve for x
    x = 4,528,624,474.61/68,986.96
  6. Step 6: Final answer
    x = 65,644.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.