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Finding the Fourth Proportional to 29,004.57, 43,506.78 and 7,944.77

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Solution

The fourth proportional to 29,004.57, 43,506.78 and 7,944.77 is: 11,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.57 : 43,506.78 = 7,944.77 : x
  2. Step 2: Convert to fraction form
    29,004.57/43,506.78 = 7,944.77/x
  3. Step 3: Cross multiply
    29,004.57x = 43,506.78 × 7,944.77
  4. Step 4: Simplify right side
    29,004.57x = 345,651,143.01
  5. Step 5: Solve for x
    x = 345,651,143.01/29,004.57
  6. Step 6: Final answer
    x = 11,917.13

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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.