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Finding the Fourth Proportional to 12,094.29, 18,113.55 and 8,741.29

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Solution

The fourth proportional to 12,094.29, 18,113.55 and 8,741.29 is: 13,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.29 : 18,113.55 = 8,741.29 : x
  2. Step 2: Convert to fraction form
    12,094.29/18,113.55 = 8,741.29/x
  3. Step 3: Cross multiply
    12,094.29x = 18,113.55 × 8,741.29
  4. Step 4: Simplify right side
    12,094.29x = 158,335,793.48
  5. Step 5: Solve for x
    x = 158,335,793.48/12,094.29
  6. Step 6: Final answer
    x = 13,091.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.