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Finding the Fourth Proportional to 29,321.30, 43,981.57 and 7,134.69

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Solution

The fourth proportional to 29,321.30, 43,981.57 and 7,134.69 is: 10,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.30 : 43,981.57 = 7,134.69 : x
  2. Step 2: Convert to fraction form
    29,321.30/43,981.57 = 7,134.69/x
  3. Step 3: Cross multiply
    29,321.30x = 43,981.57 × 7,134.69
  4. Step 4: Simplify right side
    29,321.30x = 313,794,867.66
  5. Step 5: Solve for x
    x = 313,794,867.66/29,321.30
  6. Step 6: Final answer
    x = 10,701.94

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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.