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Finding the Fourth Proportional to 6,150.36, 8,487.54 and 3,355.86

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Solution

The fourth proportional to 6,150.36, 8,487.54 and 3,355.86 is: 4,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.36 : 8,487.54 = 3,355.86 : x
  2. Step 2: Convert to fraction form
    6,150.36/8,487.54 = 3,355.86/x
  3. Step 3: Cross multiply
    6,150.36x = 8,487.54 × 3,355.86
  4. Step 4: Simplify right side
    6,150.36x = 28,482,995.98
  5. Step 5: Solve for x
    x = 28,482,995.98/6,150.36
  6. Step 6: Final answer
    x = 4,631.11

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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.