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Finding the Fourth Proportional to 5,334.86, 8,003.32 and 1,636.44

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Solution

The fourth proportional to 5,334.86, 8,003.32 and 1,636.44 is: 2,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.86 : 8,003.32 = 1,636.44 : x
  2. Step 2: Convert to fraction form
    5,334.86/8,003.32 = 1,636.44/x
  3. Step 3: Cross multiply
    5,334.86x = 8,003.32 × 1,636.44
  4. Step 4: Simplify right side
    5,334.86x = 13,096,952.98
  5. Step 5: Solve for x
    x = 13,096,952.98/5,334.86
  6. Step 6: Final answer
    x = 2,454.98

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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.