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Finding the Fourth Proportional to 18,048.22, 24,906.69 and 9,983.05

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Solution

The fourth proportional to 18,048.22, 24,906.69 and 9,983.05 is: 13,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.22 : 24,906.69 = 9,983.05 : x
  2. Step 2: Convert to fraction form
    18,048.22/24,906.69 = 9,983.05/x
  3. Step 3: Cross multiply
    18,048.22x = 24,906.69 × 9,983.05
  4. Step 4: Simplify right side
    18,048.22x = 248,644,669.34
  5. Step 5: Solve for x
    x = 248,644,669.34/18,048.22
  6. Step 6: Final answer
    x = 13,776.69

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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.