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Finding the Fourth Proportional to 51,245.40, 71,568.60 and 51,245.40

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Solution

The fourth proportional to 51,245.40, 71,568.60 and 51,245.40 is: 71,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.40 : 71,568.60 = 51,245.40 : x
  2. Step 2: Convert to fraction form
    51,245.40/71,568.60 = 51,245.40/x
  3. Step 3: Cross multiply
    51,245.40x = 71,568.60 × 51,245.40
  4. Step 4: Simplify right side
    51,245.40x = 3,667,561,534.44
  5. Step 5: Solve for x
    x = 3,667,561,534.44/51,245.40
  6. Step 6: Final answer
    x = 71,568.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.