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Finding the Fourth Proportional to 21,672.63, 32,510.07 and 6,882.71

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Solution

The fourth proportional to 21,672.63, 32,510.07 and 6,882.71 is: 10,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672.63 : 32,510.07 = 6,882.71 : x
  2. Step 2: Convert to fraction form
    21,672.63/32,510.07 = 6,882.71/x
  3. Step 3: Cross multiply
    21,672.63x = 32,510.07 × 6,882.71
  4. Step 4: Simplify right side
    21,672.63x = 223,757,221.34
  5. Step 5: Solve for x
    x = 223,757,221.34/21,672.63
  6. Step 6: Final answer
    x = 10,324.41

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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.