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Finding the Fourth Proportional to 29,807.38, 44,710.92 and 7,620.73

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Solution

The fourth proportional to 29,807.38, 44,710.92 and 7,620.73 is: 11,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,807.38 : 44,710.92 = 7,620.73 : x
  2. Step 2: Convert to fraction form
    29,807.38/44,710.92 = 7,620.73/x
  3. Step 3: Cross multiply
    29,807.38x = 44,710.92 × 7,620.73
  4. Step 4: Simplify right side
    29,807.38x = 340,729,849.37
  5. Step 5: Solve for x
    x = 340,729,849.37/29,807.38
  6. Step 6: Final answer
    x = 11,431.06

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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.