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Finding the Fourth Proportional to 6,381.72, 9,572.58 and 2,487.24

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Solution

The fourth proportional to 6,381.72, 9,572.58 and 2,487.24 is: 3,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.72 : 9,572.58 = 2,487.24 : x
  2. Step 2: Convert to fraction form
    6,381.72/9,572.58 = 2,487.24/x
  3. Step 3: Cross multiply
    6,381.72x = 9,572.58 × 2,487.24
  4. Step 4: Simplify right side
    6,381.72x = 23,809,303.88
  5. Step 5: Solve for x
    x = 23,809,303.88/6,381.72
  6. Step 6: Final answer
    x = 3,730.86

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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.