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Finding the Fourth Proportional to 25,797, 38,680.20 and 10,998.36

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Solution

The fourth proportional to 25,797, 38,680.20 and 10,998.36 is: 16,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797 : 38,680.20 = 10,998.36 : x
  2. Step 2: Convert to fraction form
    25,797/38,680.20 = 10,998.36/x
  3. Step 3: Cross multiply
    25,797x = 38,680.20 × 10,998.36
  4. Step 4: Simplify right side
    25,797x = 425,418,764.47
  5. Step 5: Solve for x
    x = 425,418,764.47/25,797
  6. Step 6: Final answer
    x = 16,491.02

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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.