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Finding the Fourth Proportional to 8,168.54, 11,269.19 and 5,334.93

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Solution

The fourth proportional to 8,168.54, 11,269.19 and 5,334.93 is: 7,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.54 : 11,269.19 = 5,334.93 : x
  2. Step 2: Convert to fraction form
    8,168.54/11,269.19 = 5,334.93/x
  3. Step 3: Cross multiply
    8,168.54x = 11,269.19 × 5,334.93
  4. Step 4: Simplify right side
    8,168.54x = 60,120,313.13
  5. Step 5: Solve for x
    x = 60,120,313.13/8,168.54
  6. Step 6: Final answer
    x = 7,359.99

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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.