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Finding the Fourth Proportional to 8,057.58, 12,071.25 and 4,760.88

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Solution

The fourth proportional to 8,057.58, 12,071.25 and 4,760.88 is: 7,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.58 : 12,071.25 = 4,760.88 : x
  2. Step 2: Convert to fraction form
    8,057.58/12,071.25 = 4,760.88/x
  3. Step 3: Cross multiply
    8,057.58x = 12,071.25 × 4,760.88
  4. Step 4: Simplify right side
    8,057.58x = 57,469,772.70
  5. Step 5: Solve for x
    x = 57,469,772.70/8,057.58
  6. Step 6: Final answer
    x = 7,132.39

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1.5x scale

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.