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Finding the Fourth Proportional to 18,003.39, 24,844.48 and 9,937.09

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Solution

The fourth proportional to 18,003.39, 24,844.48 and 9,937.09 is: 13,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.39 : 24,844.48 = 9,937.09 : x
  2. Step 2: Convert to fraction form
    18,003.39/24,844.48 = 9,937.09/x
  3. Step 3: Cross multiply
    18,003.39x = 24,844.48 × 9,937.09
  4. Step 4: Simplify right side
    18,003.39x = 246,881,833.76
  5. Step 5: Solve for x
    x = 246,881,833.76/18,003.39
  6. Step 6: Final answer
    x = 13,713.07

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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.