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Finding the Fourth Proportional to 4,789.92, 7,173.92 and 3,034.84

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Solution

The fourth proportional to 4,789.92, 7,173.92 and 3,034.84 is: 4,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.92 : 7,173.92 = 3,034.84 : x
  2. Step 2: Convert to fraction form
    4,789.92/7,173.92 = 3,034.84/x
  3. Step 3: Cross multiply
    4,789.92x = 7,173.92 × 3,034.84
  4. Step 4: Simplify right side
    4,789.92x = 21,771,699.37
  5. Step 5: Solve for x
    x = 21,771,699.37/4,789.92
  6. Step 6: Final answer
    x = 4,545.32

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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.