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Finding the Fourth Proportional to 18,104.10, 24,984.36 and 11,025.51

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Solution

The fourth proportional to 18,104.10, 24,984.36 and 11,025.51 is: 15,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.10 : 24,984.36 = 11,025.51 : x
  2. Step 2: Convert to fraction form
    18,104.10/24,984.36 = 11,025.51/x
  3. Step 3: Cross multiply
    18,104.10x = 24,984.36 × 11,025.51
  4. Step 4: Simplify right side
    18,104.10x = 275,465,311.02
  5. Step 5: Solve for x
    x = 275,465,311.02/18,104.10
  6. Step 6: Final answer
    x = 15,215.63

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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.