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Finding the Fourth Proportional to 5,300.62, 7,956.12 and 4,428.73

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Solution

The fourth proportional to 5,300.62, 7,956.12 and 4,428.73 is: 6,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.62 : 7,956.12 = 4,428.73 : x
  2. Step 2: Convert to fraction form
    5,300.62/7,956.12 = 4,428.73/x
  3. Step 3: Cross multiply
    5,300.62x = 7,956.12 × 4,428.73
  4. Step 4: Simplify right side
    5,300.62x = 35,235,507.33
  5. Step 5: Solve for x
    x = 35,235,507.33/5,300.62
  6. Step 6: Final answer
    x = 6,647.43

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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.