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Finding the Fourth Proportional to 29,806.21, 44,709.14 and 7,619.55

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Solution

The fourth proportional to 29,806.21, 44,709.14 and 7,619.55 is: 11,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.21 : 44,709.14 = 7,619.55 : x
  2. Step 2: Convert to fraction form
    29,806.21/44,709.14 = 7,619.55/x
  3. Step 3: Cross multiply
    29,806.21x = 44,709.14 × 7,619.55
  4. Step 4: Simplify right side
    29,806.21x = 340,663,527.69
  5. Step 5: Solve for x
    x = 340,663,527.69/29,806.21
  6. Step 6: Final answer
    x = 11,429.28

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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.