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Finding the Fourth Proportional to 51,969.60, 71,718.11 and 28,096.27

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Solution

The fourth proportional to 51,969.60, 71,718.11 and 28,096.27 is: 38,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,969.60 : 71,718.11 = 28,096.27 : x
  2. Step 2: Convert to fraction form
    51,969.60/71,718.11 = 28,096.27/x
  3. Step 3: Cross multiply
    51,969.60x = 71,718.11 × 28,096.27
  4. Step 4: Simplify right side
    51,969.60x = 2,015,011,168.03
  5. Step 5: Solve for x
    x = 2,015,011,168.03/51,969.60
  6. Step 6: Final answer
    x = 38,772.88

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1.5x scale

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.