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Finding the Fourth Proportional to 23,339.65, 34,978.20 and 21,844.97

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Solution

The fourth proportional to 23,339.65, 34,978.20 and 21,844.97 is: 32,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.65 : 34,978.20 = 21,844.97 : x
  2. Step 2: Convert to fraction form
    23,339.65/34,978.20 = 21,844.97/x
  3. Step 3: Cross multiply
    23,339.65x = 34,978.20 × 21,844.97
  4. Step 4: Simplify right side
    23,339.65x = 764,097,729.65
  5. Step 5: Solve for x
    x = 764,097,729.65/23,339.65
  6. Step 6: Final answer
    x = 32,738.18

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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.