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Finding the Fourth Proportional to 5,335.93, 8,003.90 and 1,440.73

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Solution

The fourth proportional to 5,335.93, 8,003.90 and 1,440.73 is: 2,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.93 : 8,003.90 = 1,440.73 : x
  2. Step 2: Convert to fraction form
    5,335.93/8,003.90 = 1,440.73/x
  3. Step 3: Cross multiply
    5,335.93x = 8,003.90 × 1,440.73
  4. Step 4: Simplify right side
    5,335.93x = 11,531,458.85
  5. Step 5: Solve for x
    x = 11,531,458.85/5,335.93
  6. Step 6: Final answer
    x = 2,161.10

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Double scale
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Similar ratio
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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.