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Finding the Fourth Proportional to 7,952.89, 10,974.20 and 4,415.73

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Solution

The fourth proportional to 7,952.89, 10,974.20 and 4,415.73 is: 6,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.89 : 10,974.20 = 4,415.73 : x
  2. Step 2: Convert to fraction form
    7,952.89/10,974.20 = 4,415.73/x
  3. Step 3: Cross multiply
    7,952.89x = 10,974.20 × 4,415.73
  4. Step 4: Simplify right side
    7,952.89x = 48,459,082.09
  5. Step 5: Solve for x
    x = 48,459,082.09/7,952.89
  6. Step 6: Final answer
    x = 6,093.27

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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.