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Finding the Fourth Proportional to 7,251.73, 10,008.21 and 4,065.88

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Solution

The fourth proportional to 7,251.73, 10,008.21 and 4,065.88 is: 5,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.73 : 10,008.21 = 4,065.88 : x
  2. Step 2: Convert to fraction form
    7,251.73/10,008.21 = 4,065.88/x
  3. Step 3: Cross multiply
    7,251.73x = 10,008.21 × 4,065.88
  4. Step 4: Simplify right side
    7,251.73x = 40,692,167.00
  5. Step 5: Solve for x
    x = 40,692,167.00/7,251.73
  6. Step 6: Final answer
    x = 5,611.38

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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.