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Finding the Fourth Proportional to 4,674.38, 7,011.56 and 1,902.56

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Solution

The fourth proportional to 4,674.38, 7,011.56 and 1,902.56 is: 2,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.38 : 7,011.56 = 1,902.56 : x
  2. Step 2: Convert to fraction form
    4,674.38/7,011.56 = 1,902.56/x
  3. Step 3: Cross multiply
    4,674.38x = 7,011.56 × 1,902.56
  4. Step 4: Simplify right side
    4,674.38x = 13,339,883.29
  5. Step 5: Solve for x
    x = 13,339,883.29/4,674.38
  6. Step 6: Final answer
    x = 2,853.83

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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.