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Finding the Fourth Proportional to 18,103.93, 24,982.38 and 10,551.49

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Solution

The fourth proportional to 18,103.93, 24,982.38 and 10,551.49 is: 14,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.93 : 24,982.38 = 10,551.49 : x
  2. Step 2: Convert to fraction form
    18,103.93/24,982.38 = 10,551.49/x
  3. Step 3: Cross multiply
    18,103.93x = 24,982.38 × 10,551.49
  4. Step 4: Simplify right side
    18,103.93x = 263,601,270.29
  5. Step 5: Solve for x
    x = 263,601,270.29/18,103.93
  6. Step 6: Final answer
    x = 14,560.45

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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.