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Finding the Fourth Proportional to 51,672.56, 71,329.80 and 34,928.24

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Solution

The fourth proportional to 51,672.56, 71,329.80 and 34,928.24 is: 48,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,672.56 : 71,329.80 = 34,928.24 : x
  2. Step 2: Convert to fraction form
    51,672.56/71,329.80 = 34,928.24/x
  3. Step 3: Cross multiply
    51,672.56x = 71,329.80 × 34,928.24
  4. Step 4: Simplify right side
    51,672.56x = 2,491,424,373.55
  5. Step 5: Solve for x
    x = 2,491,424,373.55/51,672.56
  6. Step 6: Final answer
    x = 48,215.62

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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.