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Finding the Fourth Proportional to 13,074.05, 18,042.46 and 8,041.11

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Solution

The fourth proportional to 13,074.05, 18,042.46 and 8,041.11 is: 11,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.05 : 18,042.46 = 8,041.11 : x
  2. Step 2: Convert to fraction form
    13,074.05/18,042.46 = 8,041.11/x
  3. Step 3: Cross multiply
    13,074.05x = 18,042.46 × 8,041.11
  4. Step 4: Simplify right side
    13,074.05x = 145,081,385.43
  5. Step 5: Solve for x
    x = 145,081,385.43/13,074.05
  6. Step 6: Final answer
    x = 11,096.90

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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.