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Finding the Fourth Proportional to 18,080.26, 24,949.98 and 9,903.82

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Solution

The fourth proportional to 18,080.26, 24,949.98 and 9,903.82 is: 13,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.26 : 24,949.98 = 9,903.82 : x
  2. Step 2: Convert to fraction form
    18,080.26/24,949.98 = 9,903.82/x
  3. Step 3: Cross multiply
    18,080.26x = 24,949.98 × 9,903.82
  4. Step 4: Simplify right side
    18,080.26x = 247,100,110.92
  5. Step 5: Solve for x
    x = 247,100,110.92/18,080.26
  6. Step 6: Final answer
    x = 13,666.84

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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.