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Finding the Fourth Proportional to 18,649.92, 27,966.51 and 5,497.68

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Solution

The fourth proportional to 18,649.92, 27,966.51 and 5,497.68 is: 8,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.92 : 27,966.51 = 5,497.68 : x
  2. Step 2: Convert to fraction form
    18,649.92/27,966.51 = 5,497.68/x
  3. Step 3: Cross multiply
    18,649.92x = 27,966.51 × 5,497.68
  4. Step 4: Simplify right side
    18,649.92x = 153,750,922.70
  5. Step 5: Solve for x
    x = 153,750,922.70/18,649.92
  6. Step 6: Final answer
    x = 8,244.05

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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.