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Finding the Fourth Proportional to 29,082.40, 43,641.60 and 11,550.40

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Solution

The fourth proportional to 29,082.40, 43,641.60 and 11,550.40 is: 17,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,082.40 : 43,641.60 = 11,550.40 : x
  2. Step 2: Convert to fraction form
    29,082.40/43,641.60 = 11,550.40/x
  3. Step 3: Cross multiply
    29,082.40x = 43,641.60 × 11,550.40
  4. Step 4: Simplify right side
    29,082.40x = 504,077,936.64
  5. Step 5: Solve for x
    x = 504,077,936.64/29,082.40
  6. Step 6: Final answer
    x = 17,332.75

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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.