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Finding the Fourth Proportional to 6,232.79, 8,602.73 and 3,999.96

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Solution

The fourth proportional to 6,232.79, 8,602.73 and 3,999.96 is: 5,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,232.79 : 8,602.73 = 3,999.96 : x
  2. Step 2: Convert to fraction form
    6,232.79/8,602.73 = 3,999.96/x
  3. Step 3: Cross multiply
    6,232.79x = 8,602.73 × 3,999.96
  4. Step 4: Simplify right side
    6,232.79x = 34,410,575.89
  5. Step 5: Solve for x
    x = 34,410,575.89/6,232.79
  6. Step 6: Final answer
    x = 5,520.89

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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.