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Finding the Fourth Proportional to 18,048.17, 24,906.51 and 9,982.37

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Solution

The fourth proportional to 18,048.17, 24,906.51 and 9,982.37 is: 13,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.17 : 24,906.51 = 9,982.37 : x
  2. Step 2: Convert to fraction form
    18,048.17/24,906.51 = 9,982.37/x
  3. Step 3: Cross multiply
    18,048.17x = 24,906.51 × 9,982.37
  4. Step 4: Simplify right side
    18,048.17x = 248,625,873.70
  5. Step 5: Solve for x
    x = 248,625,873.70/18,048.17
  6. Step 6: Final answer
    x = 13,775.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.