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Finding the Fourth Proportional to 34,489.67, 51,524.71 and 21,908.88

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Solution

The fourth proportional to 34,489.67, 51,524.71 and 21,908.88 is: 32,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,489.67 : 51,524.71 = 21,908.88 : x
  2. Step 2: Convert to fraction form
    34,489.67/51,524.71 = 21,908.88/x
  3. Step 3: Cross multiply
    34,489.67x = 51,524.71 × 21,908.88
  4. Step 4: Simplify right side
    34,489.67x = 1,128,848,633.65
  5. Step 5: Solve for x
    x = 1,128,848,633.65/34,489.67
  6. Step 6: Final answer
    x = 32,730.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.