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Finding the Fourth Proportional to 6,487.44, 8,949.56 and 6,235.96

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Solution

The fourth proportional to 6,487.44, 8,949.56 and 6,235.96 is: 8,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.44 : 8,949.56 = 6,235.96 : x
  2. Step 2: Convert to fraction form
    6,487.44/8,949.56 = 6,235.96/x
  3. Step 3: Cross multiply
    6,487.44x = 8,949.56 × 6,235.96
  4. Step 4: Simplify right side
    6,487.44x = 55,809,098.18
  5. Step 5: Solve for x
    x = 55,809,098.18/6,487.44
  6. Step 6: Final answer
    x = 8,602.64

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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.