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Finding the Fourth Proportional to 6,372.72, 8,797.95 and 4,136.58

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Solution

The fourth proportional to 6,372.72, 8,797.95 and 4,136.58 is: 5,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.72 : 8,797.95 = 4,136.58 : x
  2. Step 2: Convert to fraction form
    6,372.72/8,797.95 = 4,136.58/x
  3. Step 3: Cross multiply
    6,372.72x = 8,797.95 × 4,136.58
  4. Step 4: Simplify right side
    6,372.72x = 36,393,424.01
  5. Step 5: Solve for x
    x = 36,393,424.01/6,372.72
  6. Step 6: Final answer
    x = 5,710.81

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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.