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Finding the Fourth Proportional to 29,287.42, 43,934.09 and 8,227.51

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Solution

The fourth proportional to 29,287.42, 43,934.09 and 8,227.51 is: 12,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.42 : 43,934.09 = 8,227.51 : x
  2. Step 2: Convert to fraction form
    29,287.42/43,934.09 = 8,227.51/x
  3. Step 3: Cross multiply
    29,287.42x = 43,934.09 × 8,227.51
  4. Step 4: Simplify right side
    29,287.42x = 361,468,164.82
  5. Step 5: Solve for x
    x = 361,468,164.82/29,287.42
  6. Step 6: Final answer
    x = 12,342.10

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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.