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Finding the Fourth Proportional to 8,168.67, 11,269.53 and 5,335.14

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Solution

The fourth proportional to 8,168.67, 11,269.53 and 5,335.14 is: 7,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.67 : 11,269.53 = 5,335.14 : x
  2. Step 2: Convert to fraction form
    8,168.67/11,269.53 = 5,335.14/x
  3. Step 3: Cross multiply
    8,168.67x = 11,269.53 × 5,335.14
  4. Step 4: Simplify right side
    8,168.67x = 60,124,520.28
  5. Step 5: Solve for x
    x = 60,124,520.28/8,168.67
  6. Step 6: Final answer
    x = 7,360.38

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Half scale
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Double scale
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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.