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Finding the Fourth Proportional to 29,233.60, 43,785.60 and 11,694.40

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Solution

The fourth proportional to 29,233.60, 43,785.60 and 11,694.40 is: 17,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,233.60 : 43,785.60 = 11,694.40 : x
  2. Step 2: Convert to fraction form
    29,233.60/43,785.60 = 11,694.40/x
  3. Step 3: Cross multiply
    29,233.60x = 43,785.60 × 11,694.40
  4. Step 4: Simplify right side
    29,233.60x = 512,046,320.64
  5. Step 5: Solve for x
    x = 512,046,320.64/29,233.60
  6. Step 6: Final answer
    x = 17,515.68

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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.