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Finding the Fourth Proportional to 29,059.92, 43,551.56 and 11,520.16

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Solution

The fourth proportional to 29,059.92, 43,551.56 and 11,520.16 is: 17,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.92 : 43,551.56 = 11,520.16 : x
  2. Step 2: Convert to fraction form
    29,059.92/43,551.56 = 11,520.16/x
  3. Step 3: Cross multiply
    29,059.92x = 43,551.56 × 11,520.16
  4. Step 4: Simplify right side
    29,059.92x = 501,720,939.45
  5. Step 5: Solve for x
    x = 501,720,939.45/29,059.92
  6. Step 6: Final answer
    x = 17,265.05

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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.